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sin(a)^4+cos(a)^4 если a=1/2

Выражение, которое надо упростить:

Решение

Вы ввели [src]
   4         4   
sin (a) + cos (a)
$$\sin^{4}{\left(a \right)} + \cos^{4}{\left(a \right)}$$
sin(a)^4 + cos(a)^4
Подстановка условия [src]
sin(a)^4 + cos(a)^4 при a = 1/2
подставляем
   4         4   
sin (a) + cos (a)
$$\sin^{4}{\left(a \right)} + \cos^{4}{\left(a \right)}$$
   4         4   
cos (a) + sin (a)
$$\sin^{4}{\left(a \right)} + \cos^{4}{\left(a \right)}$$
переменные
a = 1/2
$$a = \frac{1}{2}$$
   4             4       
cos ((1/2)) + sin ((1/2))
$$\sin^{4}{\left((1/2) \right)} + \cos^{4}{\left((1/2) \right)}$$
   4           4     
cos (1/2) + sin (1/2)
$$\sin^{4}{\left(\frac{1}{2} \right)} + \cos^{4}{\left(\frac{1}{2} \right)}$$
cos(1/2)^4 + sin(1/2)^4
Собрать выражение [src]
3   cos(4*a)
- + --------
4      4    
$$\frac{\cos{\left(4 a \right)}}{4} + \frac{3}{4}$$
3/4 + cos(4*a)/4
Степени [src]
              4                   4
/ I*a    -I*a\    /   -I*a    I*a\ 
|e      e    |    \- e     + e   / 
|---- + -----|  + -----------------
\ 2       2  /            16       
$$\left(\frac{e^{i a}}{2} + \frac{e^{- i a}}{2}\right)^{4} + \frac{\left(e^{i a} - e^{- i a}\right)^{4}}{16}$$
(exp(i*a)/2 + exp(-i*a)/2)^4 + (-exp(-i*a) + exp(i*a))^4/16
Тригонометрическая часть [src]
3   cos(4*a)
- + --------
4      4    
$$\frac{\cos{\left(4 a \right)}}{4} + \frac{3}{4}$$
   4         4/    pi\
sin (a) + sin |a + --|
              \    2 /
$$\sin^{4}{\left(a \right)} + \sin^{4}{\left(a + \frac{\pi}{2} \right)}$$
   4         4/    pi\
cos (a) + cos |a - --|
              \    2 /
$$\cos^{4}{\left(a \right)} + \cos^{4}{\left(a - \frac{\pi}{2} \right)}$$
   1         1   
------- + -------
   4         4   
csc (a)   sec (a)
$$\frac{1}{\sec^{4}{\left(a \right)}} + \frac{1}{\csc^{4}{\left(a \right)}}$$
   1           1      
------- + ------------
   4         4/    pi\
sec (a)   sec |a - --|
              \    2 /
$$\frac{1}{\sec^{4}{\left(a - \frac{\pi}{2} \right)}} + \frac{1}{\sec^{4}{\left(a \right)}}$$
   1           1      
------- + ------------
   4         4/pi    \
csc (a)   csc |-- - a|
              \2     /
$$\frac{1}{\csc^{4}{\left(- a + \frac{\pi}{2} \right)}} + \frac{1}{\csc^{4}{\left(a \right)}}$$
   1           1      
------- + ------------
   4         4/pi    \
sec (a)   sec |-- - a|
              \2     /
$$\frac{1}{\sec^{4}{\left(- a + \frac{\pi}{2} \right)}} + \frac{1}{\sec^{4}{\left(a \right)}}$$
     1              1      
------------ + ------------
   4              4/pi    \
csc (pi - a)   csc |-- - a|
                   \2     /
$$\frac{1}{\csc^{4}{\left(- a + \frac{\pi}{2} \right)}} + \frac{1}{\csc^{4}{\left(- a + \pi \right)}}$$
   4                  4    4/a\
cos (a) + (1 + cos(a)) *tan |-|
                            \2/
$$\left(\cos{\left(a \right)} + 1\right)^{4} \tan^{4}{\left(\frac{a}{2} \right)} + \cos^{4}{\left(a \right)}$$
                       2                  
    /   2         2   \                   
3   \cos (a) - sin (a)/       2       2   
- + -------------------- - cos (a)*sin (a)
4            4                            
$$- \sin^{2}{\left(a \right)} \cos^{2}{\left(a \right)} + \frac{\left(- \sin^{2}{\left(a \right)} + \cos^{2}{\left(a \right)}\right)^{2}}{4} + \frac{3}{4}$$
            2             2         4/a\    4/a\
(1 - sin(a)) *(1 + sin(a))  + 16*cos |-|*sin |-|
                                     \2/     \2/
$$16 \sin^{4}{\left(\frac{a}{2} \right)} \cos^{4}{\left(\frac{a}{2} \right)} + \left(- \sin{\left(a \right)} + 1\right)^{2} \left(\sin{\left(a \right)} + 1\right)^{2}$$
             4                             
/       2/a\\     8/a\         4/a\    4/a\
|1 - tan |-|| *cos |-| + 16*cos |-|*sin |-|
\        \2//      \2/          \2/     \2/
$$\left(- \tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4} \cos^{8}{\left(\frac{a}{2} \right)} + 16 \sin^{4}{\left(\frac{a}{2} \right)} \cos^{4}{\left(\frac{a}{2} \right)}$$
             4                             
/       2/a\\     8/a\         8/a\    4/a\
|1 - tan |-|| *cos |-| + 16*cos |-|*tan |-|
\        \2//      \2/          \2/     \2/
$$\left(- \tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4} \cos^{8}{\left(\frac{a}{2} \right)} + 16 \cos^{8}{\left(\frac{a}{2} \right)} \tan^{4}{\left(\frac{a}{2} \right)}$$
                           4       8/a\
                     16*cos (a)*cos |-|
      4/a\    4/a\                  \2/
16*cos |-|*sin |-| + ------------------
       \2/     \2/                 4   
                       (1 + cos(a))    
$$16 \sin^{4}{\left(\frac{a}{2} \right)} \cos^{4}{\left(\frac{a}{2} \right)} + \frac{16 \cos^{8}{\left(\frac{a}{2} \right)} \cos^{4}{\left(a \right)}}{\left(\cos{\left(a \right)} + 1\right)^{4}}$$
                                  4/a\  
              4             16*tan |-|  
/        2/a\\     8/a\            \2/  
|-1 + cot |-|| *sin |-| + --------------
\         \2//      \2/                4
                          /       2/a\\ 
                          |1 + tan |-|| 
                          \        \2// 
$$\left(\cot^{2}{\left(\frac{a}{2} \right)} - 1\right)^{4} \sin^{8}{\left(\frac{a}{2} \right)} + \frac{16 \tan^{4}{\left(\frac{a}{2} \right)}}{\left(\tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}}$$
        4/a   pi\                       
  16*tan |- + --|                       
         \2   4 /           4/a\    8/a\
------------------- + 16*cot |-|*sin |-|
                  4          \2/     \2/
/       2/a   pi\\                      
|1 + tan |- + --||                      
\        \2   4 //                      
$$16 \sin^{8}{\left(\frac{a}{2} \right)} \cot^{4}{\left(\frac{a}{2} \right)} + \frac{16 \tan^{4}{\left(\frac{a}{2} + \frac{\pi}{4} \right)}}{\left(\tan^{2}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} + 1\right)^{4}}$$
        4/a   pi\                       
  16*tan |- + --|                       
         \2   4 /           8/a\    4/a\
------------------- + 16*cos |-|*tan |-|
                  4          \2/     \2/
/       2/a   pi\\                      
|1 + tan |- + --||                      
\        \2   4 //                      
$$16 \cos^{8}{\left(\frac{a}{2} \right)} \tan^{4}{\left(\frac{a}{2} \right)} + \frac{16 \tan^{4}{\left(\frac{a}{2} + \frac{\pi}{4} \right)}}{\left(\tan^{2}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} + 1\right)^{4}}$$
                                           4              
                         /       2/a   pi\\              4
             4           |1 - cot |- + --|| *(1 + sin(a)) 
/       2/a\\     8/a\   \        \2   4 //               
|1 - tan |-|| *cos |-| + ---------------------------------
\        \2//      \2/                   16               
$$\left(- \tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4} \cos^{8}{\left(\frac{a}{2} \right)} + \frac{\left(- \cot^{2}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} + 1\right)^{4} \left(\sin{\left(a \right)} + 1\right)^{4}}{16}$$
             4                 
/       2/a\\            4/a\  
|1 - tan |-||      16*tan |-|  
\        \2//             \2/  
-------------- + --------------
             4                4
/       2/a\\    /       2/a\\ 
|1 + tan |-||    |1 + tan |-|| 
\        \2//    \        \2// 
$$\frac{\left(- \tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}}{\left(\tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}} + \frac{16 \tan^{4}{\left(\frac{a}{2} \right)}}{\left(\tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}}$$
        4/a\             4/a   pi\  
  16*tan |-|       16*tan |- + --|  
         \2/              \2   4 /  
-------------- + -------------------
             4                     4
/       2/a\\    /       2/a   pi\\ 
|1 + tan |-||    |1 + tan |- + --|| 
\        \2//    \        \2   4 // 
$$\frac{16 \tan^{4}{\left(\frac{a}{2} + \frac{\pi}{4} \right)}}{\left(\tan^{2}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} + 1\right)^{4}} + \frac{16 \tan^{4}{\left(\frac{a}{2} \right)}}{\left(\tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}}$$
        4/a\             4/a   pi\  
  16*cot |-|       16*tan |- + --|  
         \2/              \2   4 /  
-------------- + -------------------
             4                     4
/       2/a\\    /       2/a   pi\\ 
|1 + cot |-||    |1 + tan |- + --|| 
\        \2//    \        \2   4 // 
$$\frac{16 \cot^{4}{\left(\frac{a}{2} \right)}}{\left(\cot^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}} + \frac{16 \tan^{4}{\left(\frac{a}{2} + \frac{\pi}{4} \right)}}{\left(\tan^{2}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} + 1\right)^{4}}$$
                  4                                  
/       2/a   pi\\                                   
|    cos |- - --||                                   
|        \2   2 /|     8/a\         4/a\    4/a   pi\
|1 - ------------| *cos |-| + 16*cos |-|*cos |- - --|
|         2/a\   |      \2/          \2/     \2   2 /
|      cos |-|   |                                   
\          \2/   /                                   
$$\left(1 - \frac{\cos^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}}{\cos^{2}{\left(\frac{a}{2} \right)}}\right)^{4} \cos^{8}{\left(\frac{a}{2} \right)} + 16 \cos^{4}{\left(\frac{a}{2} \right)} \cos^{4}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}$$
             4                         
/       1   \                          
|1 - -------|                          
|       2/a\|                          
|    cot |-||                          
\        \2//              16          
-------------- + ----------------------
             4                4        
/       1   \    /       1   \     4/a\
|1 + -------|    |1 + -------| *cot |-|
|       2/a\|    |       2/a\|      \2/
|    cot |-||    |    cot |-||         
\        \2//    \        \2//         
$$\frac{\left(1 - \frac{1}{\cot^{2}{\left(\frac{a}{2} \right)}}\right)^{4}}{\left(1 + \frac{1}{\cot^{2}{\left(\frac{a}{2} \right)}}\right)^{4}} + \frac{16}{\left(1 + \frac{1}{\cot^{2}{\left(\frac{a}{2} \right)}}\right)^{4} \cot^{4}{\left(\frac{a}{2} \right)}}$$
                  4                       
/         2/a\   \                        
|      sec |-|   |                        
|          \2/   |                        
|1 - ------------|                        
|       2/a   pi\|                        
|    sec |- - --||                        
\        \2   2 //             16         
------------------- + --------------------
         8/a\            4/a\    4/a   pi\
      sec |-|         sec |-|*sec |- - --|
          \2/             \2/     \2   2 /
$$\frac{\left(- \frac{\sec^{2}{\left(\frac{a}{2} \right)}}{\sec^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}} + 1\right)^{4}}{\sec^{8}{\left(\frac{a}{2} \right)}} + \frac{16}{\sec^{4}{\left(\frac{a}{2} \right)} \sec^{4}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}}$$
               4                                        
/         4/a\\                        8/a\    8/pi   a\
|    4*sin |-||                 256*sin |-|*sin |-- + -|
|          \2/|     8/pi   a\           \2/     \2    2/
|1 - ---------| *sin |-- + -| + ------------------------
|        2    |      \2    2/              4            
\     sin (a) /                         sin (a)         
$$\left(- \frac{4 \sin^{4}{\left(\frac{a}{2} \right)}}{\sin^{2}{\left(a \right)}} + 1\right)^{4} \sin^{8}{\left(\frac{a}{2} + \frac{\pi}{2} \right)} + \frac{256 \sin^{8}{\left(\frac{a}{2} \right)} \sin^{8}{\left(\frac{a}{2} + \frac{\pi}{2} \right)}}{\sin^{4}{\left(a \right)}}$$
              4                      4
/        2/a\\    /        2/a   pi\\ 
|-1 + cot |-||    |-1 + tan |- + --|| 
\         \2//    \         \2   4 // 
--------------- + --------------------
              4                     4 
 /       2/a\\    /       2/a   pi\\  
 |1 + cot |-||    |1 + tan |- + --||  
 \        \2//    \        \2   4 //  
$$\frac{\left(\tan^{2}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} - 1\right)^{4}}{\left(\tan^{2}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} + 1\right)^{4}} + \frac{\left(\cot^{2}{\left(\frac{a}{2} \right)} - 1\right)^{4}}{\left(\cot^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}}$$
                  4                4
/       2/a   pi\\    /       2/a\\ 
|1 - cot |- + --||    |1 - tan |-|| 
\        \2   4 //    \        \2// 
------------------- + --------------
                  4                4
/       2/a   pi\\    /       2/a\\ 
|1 + cot |- + --||    |1 + tan |-|| 
\        \2   4 //    \        \2// 
$$\frac{\left(- \tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}}{\left(\tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}} + \frac{\left(- \cot^{2}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} + 1\right)^{4}}{\left(\cot^{2}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} + 1\right)^{4}}$$
                  4                       
/       2/pi   a\\                        
|    csc |-- - -||                        
|        \2    2/|                        
|1 - ------------|                        
|         2/a\   |                        
|      csc |-|   |                        
\          \2/   /             16         
------------------- + --------------------
       8/pi   a\         4/a\    4/pi   a\
    csc |-- - -|      csc |-|*csc |-- - -|
        \2    2/          \2/     \2    2/
$$\frac{\left(1 - \frac{\csc^{2}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}}{\csc^{2}{\left(\frac{a}{2} \right)}}\right)^{4}}{\csc^{8}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}} + \frac{16}{\csc^{4}{\left(\frac{a}{2} \right)} \csc^{4}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}}$$
             4              8                            8                 
/       2/a\\  /       2/a\\     16/a\      /       2/a\\     16/a\    4/a\
|1 - tan |-|| *|1 - tan |-|| *cos  |-| + 16*|1 - tan |-|| *cos  |-|*tan |-|
\        \2//  \        \4//       \4/      \        \4//       \4/     \2/
$$\left(- \tan^{2}{\left(\frac{a}{4} \right)} + 1\right)^{8} \left(- \tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4} \cos^{16}{\left(\frac{a}{4} \right)} + 16 \left(- \tan^{2}{\left(\frac{a}{4} \right)} + 1\right)^{8} \cos^{16}{\left(\frac{a}{4} \right)} \tan^{4}{\left(\frac{a}{2} \right)}$$
//      0         for a mod pi = 0\                                 
||                                |                                 
||             4                  |   //   1     for a mod 2*pi = 0\
||(-1 + cos(a))                   |   ||                           |
|<--------------     otherwise    | + |<   4                       |
||      4/a\                      |   ||cos (a)      otherwise     |
||   tan |-|                      |   \\                           /
||       \2/                      |                                 
\\                                /                                 
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{\left(\cos{\left(a \right)} - 1\right)^{4}}{\tan^{4}{\left(\frac{a}{2} \right)}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\cos^{4}{\left(a \right)} & \text{otherwise} \end{cases}\right)$$
                               //            1              for a mod 2*pi = 0\
                               ||                                             |
//   0     for a mod pi = 0\   ||                4                            |
||                         |   ||/         2    \                             |
|<   4                     | + |<|      sin (a) |     8/a\                    |
||sin (a)     otherwise    |   |||-1 + ---------| *sin |-|      otherwise     |
\\                         /   |||          4/a\|      \2/                    |
                               |||     4*sin |-||                             |
                               \\\           \2//                             /
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\sin^{4}{\left(a \right)} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\left(-1 + \frac{\sin^{2}{\left(a \right)}}{4 \sin^{4}{\left(\frac{a}{2} \right)}}\right)^{4} \sin^{8}{\left(\frac{a}{2} \right)} & \text{otherwise} \end{cases}\right)$$
             4              8                   8        
/       2/a\\  /       2/a\\       /       2/a\\     4/a\
|1 - tan |-|| *|1 - tan |-||    16*|1 - tan |-|| *tan |-|
\        \2//  \        \4//       \        \4//      \2/
----------------------------- + -------------------------
                     8                             8     
        /       2/a\\                 /       2/a\\      
        |1 + tan |-||                 |1 + tan |-||      
        \        \4//                 \        \4//      
$$\frac{\left(- \tan^{2}{\left(\frac{a}{4} \right)} + 1\right)^{8} \left(- \tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}}{\left(\tan^{2}{\left(\frac{a}{4} \right)} + 1\right)^{8}} + \frac{16 \left(- \tan^{2}{\left(\frac{a}{4} \right)} + 1\right)^{8} \tan^{4}{\left(\frac{a}{2} \right)}}{\left(\tan^{2}{\left(\frac{a}{4} \right)} + 1\right)^{8}}$$
               4                         
/         4/a\\                          
|    4*sin |-||                          
|          \2/|                          
|1 - ---------|            4       8/a\  
|        2    |     256*sin (a)*sin |-|  
\     sin (a) /                     \2/  
---------------- + ----------------------
               4                        4
/         4/a\\    /   2           4/a\\ 
|    4*sin |-||    |sin (a) + 4*sin |-|| 
|          \2/|    \                \2// 
|1 + ---------|                          
|        2    |                          
\     sin (a) /                          
$$\frac{256 \sin^{8}{\left(\frac{a}{2} \right)} \sin^{4}{\left(a \right)}}{\left(4 \sin^{4}{\left(\frac{a}{2} \right)} + \sin^{2}{\left(a \right)}\right)^{4}} + \frac{\left(- \frac{4 \sin^{4}{\left(\frac{a}{2} \right)}}{\sin^{2}{\left(a \right)}} + 1\right)^{4}}{\left(\frac{4 \sin^{4}{\left(\frac{a}{2} \right)}}{\sin^{2}{\left(a \right)}} + 1\right)^{4}}$$
                                          //           1             for a mod 2*pi = 0\
//        0           for a mod pi = 0\   ||                                           |
||                                    |   ||              4                            |
|<      4/a\    8/a\                  | + |
            
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\16 \sin^{8}{\left(\frac{a}{2} \right)} \cot^{4}{\left(\frac{a}{2} \right)} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\left(\cot^{2}{\left(\frac{a}{2} \right)} - 1\right)^{4} \sin^{8}{\left(\frac{a}{2} \right)} & \text{otherwise} \end{cases}\right)$$
                                          //          1             for a mod 2*pi = 0\
//        0           for a mod pi = 0\   ||                                          |
||                                    |   ||             4                            |
|<      4/a\    4/a\                  | + |
            
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\16 \sin^{4}{\left(\frac{a}{2} \right)} \cos^{4}{\left(\frac{a}{2} \right)} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\left(- \tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4} \cos^{8}{\left(\frac{a}{2} \right)} & \text{otherwise} \end{cases}\right)$$
               4                           
/         4/a\\                            
|    4*sin |-||                            
|          \2/|                            
|1 - ---------|                 8/a\       
|        2    |          256*sin |-|       
\     sin (a) /                  \2/       
---------------- + ------------------------
               4                  4        
/         4/a\\    /         4/a\\         
|    4*sin |-||    |    4*sin |-||         
|          \2/|    |          \2/|     4   
|1 + ---------|    |1 + ---------| *sin (a)
|        2    |    |        2    |         
\     sin (a) /    \     sin (a) /         
$$\frac{\left(- \frac{4 \sin^{4}{\left(\frac{a}{2} \right)}}{\sin^{2}{\left(a \right)}} + 1\right)^{4}}{\left(\frac{4 \sin^{4}{\left(\frac{a}{2} \right)}}{\sin^{2}{\left(a \right)}} + 1\right)^{4}} + \frac{256 \sin^{8}{\left(\frac{a}{2} \right)}}{\left(\frac{4 \sin^{4}{\left(\frac{a}{2} \right)}}{\sin^{2}{\left(a \right)}} + 1\right)^{4} \sin^{4}{\left(a \right)}}$$
//    0       for a mod pi = 0\                                                
||                            |   //          1             for a mod 2*pi = 0\
||      8/a\                  |   ||                                          |
||16*sin |-|                  |   ||             4                            |
|<       \2/                  | + |
            
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{16 \sin^{8}{\left(\frac{a}{2} \right)}}{\tan^{4}{\left(\frac{a}{2} \right)}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\left(- \tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4} \cos^{8}{\left(\frac{a}{2} \right)} & \text{otherwise} \end{cases}\right)$$
                                          //        1           for a mod 2*pi = 0\
                                          ||                                      |
//        0           for a mod pi = 0\   ||      4       8/a\                    |
||                                    |   ||16*cos (a)*sin |-|                    |
|<      4/a\    4/a\                  | + |<               \2/                    |
||16*cos |-|*sin |-|     otherwise    |   ||------------------      otherwise     |
\\       \2/     \2/                  /   ||               4                      |
                                          ||  (-1 + cos(a))                       |
                                          \\                                      /
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\16 \sin^{4}{\left(\frac{a}{2} \right)} \cos^{4}{\left(\frac{a}{2} \right)} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\frac{16 \sin^{8}{\left(\frac{a}{2} \right)} \cos^{4}{\left(a \right)}}{\left(\cos{\left(a \right)} - 1\right)^{4}} & \text{otherwise} \end{cases}\right)$$
                                          //                                /    pi\           \
//        0           for a mod pi = 0\   ||            0               for |a + --| mod pi = 0|
||                                    |   ||                                \    2 /           |
|<      4/a\    8/a\                  | + |<                                                   |
||16*cot |-|*sin |-|     otherwise    |   ||            4    4/a   pi\                         |
\\       \2/     \2/                  /   ||(1 + sin(a)) *cot |- + --|         otherwise       |
                                          \\                  \2   4 /                         /
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\16 \sin^{8}{\left(\frac{a}{2} \right)} \cot^{4}{\left(\frac{a}{2} \right)} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 0 & \text{for}\: \left(a + \frac{\pi}{2}\right) \bmod \pi = 0 \\\left(\sin{\left(a \right)} + 1\right)^{4} \cot^{4}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} & \text{otherwise} \end{cases}\right)$$
//      0         for a mod pi = 0\   //       1         for a mod 2*pi = 0\
||                                |   ||                                   |
||        4/a\                    |   ||              4                    |
||  16*cot |-|                    |   ||/        2/a\\                     |
||         \2/                    |   |||-1 + cot |-||                     |
|<--------------     otherwise    | + |<\         \2//                     |
||             4                  |   ||---------------      otherwise     |
||/       2/a\\                   |   ||              4                    |
|||1 + cot |-||                   |   || /       2/a\\                     |
||\        \2//                   |   || |1 + cot |-||                     |
\\                                /   \\ \        \2//                     /
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{16 \cot^{4}{\left(\frac{a}{2} \right)}}{\left(\cot^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\frac{\left(\cot^{2}{\left(\frac{a}{2} \right)} - 1\right)^{4}}{\left(\cot^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}} & \text{otherwise} \end{cases}\right)$$
                                                 //                    /    3*pi\             \
                                                 ||      1         for |a + ----| mod 2*pi = 0|
                                                 ||                    \     2  /             |
//           1             for a mod 2*pi = 0\   ||                                           |
||                                           |   ||        4/a\                               |
||              4                            |   ||  16*tan |-|                               |
|
            
$$\left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\left(\cot^{2}{\left(\frac{a}{2} \right)} - 1\right)^{4} \sin^{8}{\left(\frac{a}{2} \right)} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: \left(a + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\frac{16 \tan^{4}{\left(\frac{a}{2} \right)}}{\left(\tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}} & \text{otherwise} \end{cases}\right)$$
                                              //       1         for a mod 2*pi = 0\
                                              ||                                   |
//          0             for a mod pi = 0\   ||              4                    |
||                                        |   ||/        1   \                     |
||          16                            |   |||-1 + -------|                     |
||----------------------     otherwise    |   |||        2/a\|                     |
||             4                          |   |||     tan |-||                     |
|
            
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{16}{\left(1 + \frac{1}{\tan^{2}{\left(\frac{a}{2} \right)}}\right)^{4} \tan^{4}{\left(\frac{a}{2} \right)}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\frac{\left(-1 + \frac{1}{\tan^{2}{\left(\frac{a}{2} \right)}}\right)^{4}}{\left(1 + \frac{1}{\tan^{2}{\left(\frac{a}{2} \right)}}\right)^{4}} & \text{otherwise} \end{cases}\right)$$
                                               //                1                  for a mod 2*pi = 0\
                                               ||                                                     |
                                               ||                   4                                 |
//           0             for a mod pi = 0\   ||/          2/a\   \                                  |
||                                         |   |||       cos |-|   |                                  |
|<      4/a\    4/a   pi\                  | + |<|           \2/   |     8/a   pi\                    |
||16*cos |-|*cos |- - --|     otherwise    |   |||-1 + ------------| *cos |- - --|      otherwise     |
\\       \2/     \2   2 /                  /   |||        2/a   pi\|      \2   2 /                    |
                                               |||     cos |- - --||                                  |
                                               ||\         \2   2 //                                  |
                                               \\                                                     /
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\16 \cos^{4}{\left(\frac{a}{2} \right)} \cos^{4}{\left(\frac{a}{2} - \frac{\pi}{2} \right)} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\left(\frac{\cos^{2}{\left(\frac{a}{2} \right)}}{\cos^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}} - 1\right)^{4} \cos^{8}{\left(\frac{a}{2} - \frac{\pi}{2} \right)} & \text{otherwise} \end{cases}\right)$$
                                            //         1            for a mod 2*pi = 0\
                                            ||                                        |
                                            ||                   4                    |
                                            ||/          2/a\   \                     |
//         0            for a mod pi = 0\   |||       csc |-|   |                     |
||                                      |   |||           \2/   |                     |
||         16                           |   |||-1 + ------------|                     |
|<--------------------     otherwise    | + |<|        2/pi   a\|                     |
||   4/a\    4/pi   a\                  |   |||     csc |-- - -||                     |
||csc |-|*csc |-- - -|                  |   ||\         \2    2//                     |
\\    \2/     \2    2/                  /   ||--------------------      otherwise     |
                                            ||         8/a\                           |
                                            ||      csc |-|                           |
                                            ||          \2/                           |
                                            \\                                        /
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{16}{\csc^{4}{\left(\frac{a}{2} \right)} \csc^{4}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\frac{\left(\frac{\csc^{2}{\left(\frac{a}{2} \right)}}{\csc^{2}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}} - 1\right)^{4}}{\csc^{8}{\left(\frac{a}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
                                      //                         /    pi\           \
//      0         for a mod pi = 0\   ||         0           for |a + --| mod pi = 0|
||                                |   ||                         \    2 /           |
||        4/a\                    |   ||                                            |
||  16*cot |-|                    |   ||        4/a   pi\                           |
||         \2/                    |   ||  16*cot |- + --|                           |
|<--------------     otherwise    | + |<         \2   4 /                           |
||             4                  |   ||-------------------         otherwise       |
||/       2/a\\                   |   ||                  4                         |
|||1 + cot |-||                   |   ||/       2/a   pi\\                          |
||\        \2//                   |   |||1 + cot |- + --||                          |
\\                                /   ||\        \2   4 //                          |
                                      \\                                            /
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{16 \cot^{4}{\left(\frac{a}{2} \right)}}{\left(\cot^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 0 & \text{for}\: \left(a + \frac{\pi}{2}\right) \bmod \pi = 0 \\\frac{16 \cot^{4}{\left(\frac{a}{2} + \frac{\pi}{4} \right)}}{\left(\cot^{2}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} + 1\right)^{4}} & \text{otherwise} \end{cases}\right)$$
//          0            for a mod pi = 0\   //                 1                    for a mod 2*pi = 0\
||                                       |   ||                                                        |
||        16/a\    8/a\                  |   ||                  4                                     |
||4096*cos  |-|*tan |-|                  |   ||    /        1   \     16/a\    8/a\                    |
|<          \4/     \4/                  | + |<256*|-1 + -------| *cos  |-|*tan |-|      otherwise     |
||---------------------     otherwise    |   ||    |        2/a\|       \4/     \4/                    |
||          4/a\                         |   ||    |     tan |-||                                      |
||       tan |-|                         |   ||    \         \2//                                      |
\\           \2/                         /   \\                                                        /
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{4096 \cos^{16}{\left(\frac{a}{4} \right)} \tan^{8}{\left(\frac{a}{4} \right)}}{\tan^{4}{\left(\frac{a}{2} \right)}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\256 \left(-1 + \frac{1}{\tan^{2}{\left(\frac{a}{2} \right)}}\right)^{4} \cos^{16}{\left(\frac{a}{4} \right)} \tan^{8}{\left(\frac{a}{4} \right)} & \text{otherwise} \end{cases}\right)$$
                  4                              
/       2/a   pi\\                               
|    cos |- - --||                               
|        \2   2 /|                               
|1 - ------------|                               
|         2/a\   |                4/a   pi\      
|      cos |-|   |          16*cos |- - --|      
\          \2/   /                 \2   2 /      
------------------- + ---------------------------
                  4                     4        
/       2/a   pi\\    /       2/a   pi\\         
|    cos |- - --||    |    cos |- - --||         
|        \2   2 /|    |        \2   2 /|     4/a\
|1 + ------------|    |1 + ------------| *cos |-|
|         2/a\   |    |         2/a\   |      \2/
|      cos |-|   |    |      cos |-|   |         
\          \2/   /    \          \2/   /         
$$\frac{\left(1 - \frac{\cos^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}}{\cos^{2}{\left(\frac{a}{2} \right)}}\right)^{4}}{\left(1 + \frac{\cos^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}}{\cos^{2}{\left(\frac{a}{2} \right)}}\right)^{4}} + \frac{16 \cos^{4}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}}{\left(1 + \frac{\cos^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}}{\cos^{2}{\left(\frac{a}{2} \right)}}\right)^{4} \cos^{4}{\left(\frac{a}{2} \right)}}$$
                  4                                   
/         2/a\   \                                    
|      sec |-|   |                                    
|          \2/   |                                    
|1 - ------------|                                    
|       2/a   pi\|                     4/a\           
|    sec |- - --||               16*sec |-|           
\        \2   2 //                      \2/           
------------------- + --------------------------------
                  4                     4             
/         2/a\   \    /         2/a\   \              
|      sec |-|   |    |      sec |-|   |              
|          \2/   |    |          \2/   |     4/a   pi\
|1 + ------------|    |1 + ------------| *sec |- - --|
|       2/a   pi\|    |       2/a   pi\|      \2   2 /
|    sec |- - --||    |    sec |- - --||              
\        \2   2 //    \        \2   2 //              
$$\frac{\left(- \frac{\sec^{2}{\left(\frac{a}{2} \right)}}{\sec^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}} + 1\right)^{4}}{\left(\frac{\sec^{2}{\left(\frac{a}{2} \right)}}{\sec^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}} + 1\right)^{4}} + \frac{16 \sec^{4}{\left(\frac{a}{2} \right)}}{\left(\frac{\sec^{2}{\left(\frac{a}{2} \right)}}{\sec^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}} + 1\right)^{4} \sec^{4}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}}$$
                                            //         1            for a mod 2*pi = 0\
                                            ||                                        |
                                            ||                   4                    |
                                            ||/        2/a   pi\\                     |
//         0            for a mod pi = 0\   |||     sec |- - --||                     |
||                                      |   |||         \2   2 /|                     |
||         16                           |   |||-1 + ------------|                     |
|<--------------------     otherwise    | + |<|          2/a\   |                     |
||   4/a\    4/a   pi\                  |   |||       sec |-|   |                     |
||sec |-|*sec |- - --|                  |   ||\           \2/   /                     |
\\    \2/     \2   2 /                  /   ||--------------------      otherwise     |
                                            ||       8/a   pi\                        |
                                            ||    sec |- - --|                        |
                                            ||        \2   2 /                        |
                                            \\                                        /
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{16}{\sec^{4}{\left(\frac{a}{2} \right)} \sec^{4}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\frac{\left(-1 + \frac{\sec^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}}{\sec^{2}{\left(\frac{a}{2} \right)}}\right)^{4}}{\sec^{8}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
                  4                              
/       2/pi   a\\                               
|    csc |-- - -||                               
|        \2    2/|                               
|1 - ------------|                               
|         2/a\   |                4/pi   a\      
|      csc |-|   |          16*csc |-- - -|      
\          \2/   /                 \2    2/      
------------------- + ---------------------------
                  4                     4        
/       2/pi   a\\    /       2/pi   a\\         
|    csc |-- - -||    |    csc |-- - -||         
|        \2    2/|    |        \2    2/|     4/a\
|1 + ------------|    |1 + ------------| *csc |-|
|         2/a\   |    |         2/a\   |      \2/
|      csc |-|   |    |      csc |-|   |         
\          \2/   /    \          \2/   /         
$$\frac{\left(1 - \frac{\csc^{2}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}}{\csc^{2}{\left(\frac{a}{2} \right)}}\right)^{4}}{\left(1 + \frac{\csc^{2}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}}{\csc^{2}{\left(\frac{a}{2} \right)}}\right)^{4}} + \frac{16 \csc^{4}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}}{\left(1 + \frac{\csc^{2}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}}{\csc^{2}{\left(\frac{a}{2} \right)}}\right)^{4} \csc^{4}{\left(\frac{a}{2} \right)}}$$
                                         //                          /    3*pi\             \
//       1         for a mod 2*pi = 0\   ||         1            for |a + ----| mod 2*pi = 0|
||                                   |   ||                          \     2  /             |
||              4                    |   ||                                                 |
||/        2/a\\                     |   ||                   4                             |
|||-1 + cot |-||                     |   ||/        2/a   pi\\                              |
|<\         \2//                     | + |<|-1 + tan |- + --||                              |
||---------------      otherwise     |   ||\         \2   4 //                              |
||              4                    |   ||--------------------           otherwise         |
|| /       2/a\\                     |   ||                  4                              |
|| |1 + cot |-||                     |   ||/       2/a   pi\\                               |
\\ \        \2//                     /   |||1 + tan |- + --||                               |
                                         \\\        \2   4 //                               /
$$\left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\frac{\left(\cot^{2}{\left(\frac{a}{2} \right)} - 1\right)^{4}}{\left(\cot^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: \left(a + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\frac{\left(\tan^{2}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} - 1\right)^{4}}{\left(\tan^{2}{\left(\frac{a}{2} + \frac{\pi}{4} \right)} + 1\right)^{4}} & \text{otherwise} \end{cases}\right)$$
                                              //             1               for a mod 2*pi = 0\
//          0             for a mod pi = 0\   ||                                               |
||                                        |   ||                  4                            |
||             8/a\                       |   ||    /        1   \     8/a\                    |
||     4096*tan |-|                       |   ||256*|-1 + -------| *tan |-|                    |
||              \4/                       |   ||    |        2/a\|      \4/                    |
|<----------------------     otherwise    | + |<    |     tan |-||                             |
||             8                          |   ||    \         \2//                             |
||/       2/a\\     4/a\                  |   ||---------------------------      otherwise     |
|||1 + tan |-|| *tan |-|                  |   ||                    8                          |
||\        \4//      \2/                  |   ||       /       2/a\\                           |
\\                                        /   ||       |1 + tan |-||                           |
                                              \\       \        \4//                           /
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{4096 \tan^{8}{\left(\frac{a}{4} \right)}}{\left(\tan^{2}{\left(\frac{a}{4} \right)} + 1\right)^{8} \tan^{4}{\left(\frac{a}{2} \right)}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\frac{256 \left(-1 + \frac{1}{\tan^{2}{\left(\frac{a}{2} \right)}}\right)^{4} \tan^{8}{\left(\frac{a}{4} \right)}}{\left(\tan^{2}{\left(\frac{a}{4} \right)} + 1\right)^{8}} & \text{otherwise} \end{cases}\right)$$
               //                              a             \              //                              a             \
               ||           1              for - mod 2*pi = 0|              ||           1              for - mod 2*pi = 0|
             4 ||                              2             |              ||                              2             |
/       2/a\\  ||                                            |         4/a\ ||                                            |
|1 - tan |-|| *|<              8                             | + 16*tan |-|*|<              8                             |
\        \2//  ||/        2/a\\     16/a\                    |          \2/ ||/        2/a\\     16/a\                    |
               |||-1 + cot |-|| *sin  |-|      otherwise     |              |||-1 + cot |-|| *sin  |-|      otherwise     |
               ||\         \4//       \4/                    |              ||\         \4//       \4/                    |
               \\                                            /              \\                                            /
$$\left(\left(- \tan^{2}{\left(\frac{a}{2} \right)} + 1\right)^{4} \left(\begin{cases} 1 & \text{for}\: \frac{a}{2} \bmod 2 \pi = 0 \\\left(\cot^{2}{\left(\frac{a}{4} \right)} - 1\right)^{8} \sin^{16}{\left(\frac{a}{4} \right)} & \text{otherwise} \end{cases}\right)\right) + \left(16 \left(\begin{cases} 1 & \text{for}\: \frac{a}{2} \bmod 2 \pi = 0 \\\left(\cot^{2}{\left(\frac{a}{4} \right)} - 1\right)^{8} \sin^{16}{\left(\frac{a}{4} \right)} & \text{otherwise} \end{cases}\right) \tan^{4}{\left(\frac{a}{2} \right)}\right)$$
//           0              for a mod pi = 0\                                                
||                                          |   //          1             for a mod 2*pi = 0\
||           4                              |   ||                                          |
||        sin (a)                           |   ||                     4                    |
||------------------------     otherwise    |   ||/   2           4/a\\                     |
||               4                          |   |||sin (a) - 4*sin |-||                     |
|
            
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{\sin^{4}{\left(a \right)}}{\left(1 + \frac{\sin^{2}{\left(a \right)}}{4 \sin^{4}{\left(\frac{a}{2} \right)}}\right)^{4} \sin^{8}{\left(\frac{a}{2} \right)}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\frac{\left(- 4 \sin^{4}{\left(\frac{a}{2} \right)} + \sin^{2}{\left(a \right)}\right)^{4}}{\left(4 \sin^{4}{\left(\frac{a}{2} \right)} + \sin^{2}{\left(a \right)}\right)^{4}} & \text{otherwise} \end{cases}\right)$$
                                                //        1          for a mod 2*pi = 0\
                                                ||                                     |
//           0              for a mod pi = 0\   ||                4                    |
||                                          |   ||/         2    \                     |
||           4                              |   |||      sin (a) |                     |
||        sin (a)                           |   |||-1 + ---------|                     |
||------------------------     otherwise    |   |||          4/a\|                     |
||               4                          |   |||     4*sin |-||                     |
|
            
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{\sin^{4}{\left(a \right)}}{\left(1 + \frac{\sin^{2}{\left(a \right)}}{4 \sin^{4}{\left(\frac{a}{2} \right)}}\right)^{4} \sin^{8}{\left(\frac{a}{2} \right)}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\frac{\left(-1 + \frac{\sin^{2}{\left(a \right)}}{4 \sin^{4}{\left(\frac{a}{2} \right)}}\right)^{4}}{\left(1 + \frac{\sin^{2}{\left(a \right)}}{4 \sin^{4}{\left(\frac{a}{2} \right)}}\right)^{4}} & \text{otherwise} \end{cases}\right)$$
                                                           //                     a             \
                                                           ||       1         for - mod 2*pi = 0|
                                                           ||                     2             |
                                                           ||                                   |
                                                           ||              8                    |
                                                           ||/        2/a\\                     |
                                                        16*|<|-1 + cot |-||                     |
               //                     a             \      ||\         \4//                     |
               ||       1         for - mod 2*pi = 0|      ||---------------      otherwise     |
               ||                     2             |      ||              8                    |
               ||                                   |      || /       2/a\\                     |
             4 ||              8                    |      || |1 + cot |-||                     |
/       1   \  ||/        2/a\\                     |      \\ \        \4//                     /
|1 - -------| *|<|-1 + cot |-||                     | + -----------------------------------------
|       2/a\|  ||\         \4//                     |                       4/a\                 
|    cot |-||  ||---------------      otherwise     |                    cot |-|                 
\        \2//  ||              8                    |                        \2/                 
               || /       2/a\\                     |                                            
               || |1 + cot |-||                     |                                            
               \\ \        \4//                     /                                            
$$\left(\left(1 - \frac{1}{\cot^{2}{\left(\frac{a}{2} \right)}}\right)^{4} \left(\begin{cases} 1 & \text{for}\: \frac{a}{2} \bmod 2 \pi = 0 \\\frac{\left(\cot^{2}{\left(\frac{a}{4} \right)} - 1\right)^{8}}{\left(\cot^{2}{\left(\frac{a}{4} \right)} + 1\right)^{8}} & \text{otherwise} \end{cases}\right)\right) + \left(\frac{16 \left(\begin{cases} 1 & \text{for}\: \frac{a}{2} \bmod 2 \pi = 0 \\\frac{\left(\cot^{2}{\left(\frac{a}{4} \right)} - 1\right)^{8}}{\left(\cot^{2}{\left(\frac{a}{4} \right)} + 1\right)^{8}} & \text{otherwise} \end{cases}\right)}{\cot^{4}{\left(\frac{a}{2} \right)}}\right)$$
//                         0                            for a mod pi = 0\   //                            1                              for a mod 2*pi = 0\
||                                                                      |   ||                                                                             |
||           //                          a           \                  |   ||                //                          a           \                    |
||           ||         0            for - mod pi = 0|                  |   ||              4 ||         0            for - mod pi = 0|                    |
|<      4/a\ ||                          2           |                  | + |
            
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\16 \left(\begin{cases} 0 & \text{for}\: \frac{a}{2} \bmod \pi = 0 \\256 \sin^{16}{\left(\frac{a}{4} \right)} \cot^{8}{\left(\frac{a}{4} \right)} & \text{otherwise} \end{cases}\right) \cot^{4}{\left(\frac{a}{2} \right)} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\left(\cot^{2}{\left(\frac{a}{2} \right)} - 1\right)^{4} \left(\begin{cases} 0 & \text{for}\: \frac{a}{2} \bmod \pi = 0 \\256 \sin^{16}{\left(\frac{a}{4} \right)} \cot^{8}{\left(\frac{a}{4} \right)} & \text{otherwise} \end{cases}\right) & \text{otherwise} \end{cases}\right)$$
                                                        //         1            for a mod 2*pi = 0\
                                                        ||                                        |
//               0                  for a mod pi = 0\   ||                   4                    |
||                                                  |   ||/          2/a\   \                     |
||                 4/a\                             |   |||       cos |-|   |                     |
||           16*cos |-|                             |   |||           \2/   |                     |
||                  \2/                             |   |||-1 + ------------|                     |
||--------------------------------     otherwise    |   |||        2/a   pi\|                     |
||                  4                               |   |||     cos |- - --||                     |
|
            
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{16 \cos^{4}{\left(\frac{a}{2} \right)}}{\left(\frac{\cos^{2}{\left(\frac{a}{2} \right)}}{\cos^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}} + 1\right)^{4} \cos^{4}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\frac{\left(\frac{\cos^{2}{\left(\frac{a}{2} \right)}}{\cos^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}} - 1\right)^{4}}{\left(\frac{\cos^{2}{\left(\frac{a}{2} \right)}}{\cos^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}} + 1\right)^{4}} & \text{otherwise} \end{cases}\right)$$
                                                   //         1            for a mod 2*pi = 0\
                                                   ||                                        |
//             0               for a mod pi = 0\   ||                   4                    |
||                                             |   ||/        2/a   pi\\                     |
||            4/a   pi\                        |   |||     sec |- - --||                     |
||      16*sec |- - --|                        |   |||         \2   2 /|                     |
||             \2   2 /                        |   |||-1 + ------------|                     |
||---------------------------     otherwise    |   |||          2/a\   |                     |
||                  4                          |   |||       sec |-|   |                     |
|
            
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{16 \sec^{4}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}}{\left(1 + \frac{\sec^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}}{\sec^{2}{\left(\frac{a}{2} \right)}}\right)^{4} \sec^{4}{\left(\frac{a}{2} \right)}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\frac{\left(-1 + \frac{\sec^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}}{\sec^{2}{\left(\frac{a}{2} \right)}}\right)^{4}}{\left(1 + \frac{\sec^{2}{\left(\frac{a}{2} - \frac{\pi}{2} \right)}}{\sec^{2}{\left(\frac{a}{2} \right)}}\right)^{4}} & \text{otherwise} \end{cases}\right)$$
                                                        //         1            for a mod 2*pi = 0\
                                                        ||                                        |
//               0                  for a mod pi = 0\   ||                   4                    |
||                                                  |   ||/          2/a\   \                     |
||                 4/a\                             |   |||       csc |-|   |                     |
||           16*csc |-|                             |   |||           \2/   |                     |
||                  \2/                             |   |||-1 + ------------|                     |
||--------------------------------     otherwise    |   |||        2/pi   a\|                     |
||                  4                               |   |||     csc |-- - -||                     |
|
            
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{16 \csc^{4}{\left(\frac{a}{2} \right)}}{\left(\frac{\csc^{2}{\left(\frac{a}{2} \right)}}{\csc^{2}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}} + 1\right)^{4} \csc^{4}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\frac{\left(\frac{\csc^{2}{\left(\frac{a}{2} \right)}}{\csc^{2}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}} - 1\right)^{4}}{\left(\frac{\csc^{2}{\left(\frac{a}{2} \right)}}{\csc^{2}{\left(- \frac{a}{2} + \frac{\pi}{2} \right)}} + 1\right)^{4}} & \text{otherwise} \end{cases}\right)$$
//                      0                         for a mod pi = 0\   //                         1                           for a mod 2*pi = 0\
||                                                                |   ||                                                                       |
||           //                    a           \                  |   ||                //                    a           \                    |
||           ||      0         for - mod pi = 0|                  |   ||                ||      0         for - mod pi = 0|                    |
||           ||                    2           |                  |   ||                ||                    2           |                    |
||           ||                                |                  |   ||                ||                                |                    |
||           ||        8/a\                    |                  |   ||              4 ||        8/a\                    |                    |
|<      4/a\ || 256*cot |-|                    |                  | + |
            
$$\left(\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\16 \left(\begin{cases} 0 & \text{for}\: \frac{a}{2} \bmod \pi = 0 \\\frac{256 \cot^{8}{\left(\frac{a}{4} \right)}}{\left(\cot^{2}{\left(\frac{a}{4} \right)} + 1\right)^{8}} & \text{otherwise} \end{cases}\right) \cot^{4}{\left(\frac{a}{2} \right)} & \text{otherwise} \end{cases}\right) + \left(\begin{cases} 1 & \text{for}\: a \bmod 2 \pi = 0 \\\left(\cot^{2}{\left(\frac{a}{2} \right)} - 1\right)^{4} \left(\begin{cases} 0 & \text{for}\: \frac{a}{2} \bmod \pi = 0 \\\frac{256 \cot^{8}{\left(\frac{a}{4} \right)}}{\left(\cot^{2}{\left(\frac{a}{4} \right)} + 1\right)^{8}} & \text{otherwise} \end{cases}\right) & \text{otherwise} \end{cases}\right)$$
Piecewise((0, Mod(a = pi, 0)), (16*cot(a/2)^4*Piecewise((0, Mod(a/2 = pi, 0)), (256*cot(a/4)^8/(1 + cot(a/4)^2)^8, True)), True)) + Piecewise((1, Mod(a = 2*pi, 0)), ((-1 + cot(a/2)^2)^4*Piecewise((0, Mod(a/2 = pi, 0)), (256*cot(a/4)^8/(1 + cot(a/4)^2)^8, True)), True))
Численный ответ [src]
cos(a)^4 + sin(a)^4
cos(a)^4 + sin(a)^4