Господин Экзамен

Другие калькуляторы

sin(2*x)*cos(2*x) если x=3/2

Выражение, которое надо упростить:

Решение

Вы ввели [src]
sin(2*x)*cos(2*x)
$$\sin{\left(2 x \right)} \cos{\left(2 x \right)}$$
sin(2*x)*cos(2*x)
Общее упрощение [src]
sin(4*x)
--------
   2    
$$\frac{\sin{\left(4 x \right)}}{2}$$
sin(4*x)/2
Подстановка условия [src]
sin(2*x)*cos(2*x) при x = 3/2
подставляем
sin(2*x)*cos(2*x)
$$\sin{\left(2 x \right)} \cos{\left(2 x \right)}$$
sin(4*x)
--------
   2    
$$\frac{\sin{\left(4 x \right)}}{2}$$
переменные
x = 3/2
$$x = \frac{3}{2}$$
sin(4*(3/2))
------------
     2      
$$\frac{\sin{\left(4 (3/2) \right)}}{2}$$
sin(6)
------
  2   
$$\frac{\sin{\left(6 \right)}}{2}$$
sin(6)/2
Численный ответ [src]
cos(2*x)*sin(2*x)
cos(2*x)*sin(2*x)
Степени [src]
   / -2*I*x    2*I*x\                      
   |e         e     | /   -2*I*x    2*I*x\ 
-I*|------- + ------|*\- e       + e     / 
   \   2        2   /                      
-------------------------------------------
                     2                     
$$- \frac{i \left(\frac{e^{2 i x}}{2} + \frac{e^{- 2 i x}}{2}\right) \left(e^{2 i x} - e^{- 2 i x}\right)}{2}$$
-i*(exp(-2*i*x)/2 + exp(2*i*x)/2)*(-exp(-2*i*x) + exp(2*i*x))/2
Раскрыть выражение [src]
                        3          
-2*cos(x)*sin(x) + 4*cos (x)*sin(x)
$$4 \sin{\left(x \right)} \cos^{3}{\left(x \right)} - 2 \sin{\left(x \right)} \cos{\left(x \right)}$$
  /   2         2   \              
2*\cos (x) - sin (x)/*cos(x)*sin(x)
$$2 \left(- \sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)} \cos{\left(x \right)}$$
2*(cos(x)^2 - sin(x)^2)*cos(x)*sin(x)
Собрать выражение [src]
sin(4*x)
--------
   2    
$$\frac{\sin{\left(4 x \right)}}{2}$$
sin(4*x)/2
Тригонометрическая часть [src]
sin(4*x)
--------
   2    
$$\frac{\sin{\left(4 x \right)}}{2}$$
    1     
----------
2*csc(4*x)
$$\frac{1}{2 \csc{\left(4 x \right)}}$$
   /      pi\
cos|4*x - --|
   \      2 /
-------------
      2      
$$\frac{\cos{\left(4 x - \frac{\pi}{2} \right)}}{2}$$
       1       
---------------
     /      pi\
2*sec|4*x - --|
     \      2 /
$$\frac{1}{2 \sec{\left(4 x - \frac{\pi}{2} \right)}}$$
        1        
-----------------
csc(2*x)*sec(2*x)
$$\frac{1}{\csc{\left(2 x \right)} \sec{\left(2 x \right)}}$$
            /      pi\
cos(2*x)*cos|2*x - --|
            \      2 /
$$\cos{\left(2 x \right)} \cos{\left(2 x - \frac{\pi}{2} \right)}$$
            /pi      \
sin(2*x)*sin|-- + 2*x|
            \2       /
$$\sin{\left(2 x \right)} \sin{\left(2 x + \frac{\pi}{2} \right)}$$
   tan(2*x)  
-------------
       2     
1 + tan (2*x)
$$\frac{\tan{\left(2 x \right)}}{\tan^{2}{\left(2 x \right)} + 1}$$
/          2   \         
\-1 + 2*cos (x)/*sin(2*x)
$$\left(2 \cos^{2}{\left(x \right)} - 1\right) \sin{\left(2 x \right)}$$
          1           
----------------------
            /      pi\
sec(2*x)*sec|2*x - --|
            \      2 /
$$\frac{1}{\sec{\left(2 x \right)} \sec{\left(2 x - \frac{\pi}{2} \right)}}$$
          1           
----------------------
            /pi      \
csc(2*x)*csc|-- - 2*x|
            \2       /
$$\frac{1}{\csc{\left(2 x \right)} \csc{\left(- 2 x + \frac{\pi}{2} \right)}}$$
          1           
----------------------
            /pi      \
sec(2*x)*sec|-- - 2*x|
            \2       /
$$\frac{1}{\sec{\left(2 x \right)} \sec{\left(- 2 x + \frac{\pi}{2} \right)}}$$
             1             
---------------------------
                 /pi      \
csc(pi - 2*x)*csc|-- - 2*x|
                 \2       /
$$\frac{1}{\csc{\left(- 2 x + \pi \right)} \csc{\left(- 2 x + \frac{\pi}{2} \right)}}$$
  /          2   \              
2*\-1 + 2*cos (x)/*cos(x)*sin(x)
$$2 \cdot \left(2 \cos^{2}{\left(x \right)} - 1\right) \sin{\left(x \right)} \cos{\left(x \right)}$$
  /   2         2   \              
2*\cos (x) - sin (x)/*cos(x)*sin(x)
$$2 \left(- \sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)} \cos{\left(x \right)}$$
/   0      for 4*x mod pi = 0
<                            
\sin(4*x)      otherwise     
-----------------------------
              2              
$$\frac{\begin{cases} 0 & \text{for}\: 4 x \bmod \pi = 0 \\\sin{\left(4 x \right)} & \text{otherwise} \end{cases}}{2}$$
  /       2   \       
2*\1 - tan (x)/*tan(x)
----------------------
                 2    
    /       2   \     
    \1 + tan (x)/     
$$\frac{2 \cdot \left(- \tan^{2}{\left(x \right)} + 1\right) \tan{\left(x \right)}}{\left(\tan^{2}{\left(x \right)} + 1\right)^{2}}$$
     /       1   \   
   2*|1 - -------|   
     |       2   |   
     \    cot (x)/   
---------------------
             2       
/       1   \        
|1 + -------| *cot(x)
|       2   |        
\    cot (x)/        
$$\frac{2 \cdot \left(1 - \frac{1}{\cot^{2}{\left(x \right)}}\right)}{\left(1 + \frac{1}{\cot^{2}{\left(x \right)}}\right)^{2} \cot{\left(x \right)}}$$
/      0        for 4*x mod pi = 0
|                                 
|  2*cot(2*x)                     
<-------------      otherwise     
|       2                         
|1 + cot (2*x)                    
\                                 
----------------------------------
                2                 
$$\frac{\begin{cases} 0 & \text{for}\: 4 x \bmod \pi = 0 \\\frac{2 \cot{\left(2 x \right)}}{\cot^{2}{\left(2 x \right)} + 1} & \text{otherwise} \end{cases}}{2}$$
                  /    pi\      
      4*tan(x)*tan|x + --|      
                  \    4 /      
--------------------------------
/       2   \ /       2/    pi\\
\1 + tan (x)/*|1 + tan |x + --||
              \        \    4 //
$$\frac{4 \tan{\left(x \right)} \tan{\left(x + \frac{\pi}{4} \right)}}{\left(\tan^{2}{\left(x \right)} + 1\right) \left(\tan^{2}{\left(x + \frac{\pi}{4} \right)} + 1\right)}$$
                  /    pi\      
      4*cot(x)*tan|x + --|      
                  \    4 /      
--------------------------------
/       2   \ /       2/    pi\\
\1 + cot (x)/*|1 + tan |x + --||
              \        \    4 //
$$\frac{4 \tan{\left(x + \frac{\pi}{4} \right)} \cot{\left(x \right)}}{\left(\tan^{2}{\left(x + \frac{\pi}{4} \right)} + 1\right) \left(\cot^{2}{\left(x \right)} + 1\right)}$$
/        2   \ /        2/    pi\\
\-1 + cot (x)/*|-1 + tan |x + --||
               \         \    4 //
----------------------------------
 /       2   \ /       2/    pi\\ 
 \1 + cot (x)/*|1 + tan |x + --|| 
               \        \    4 // 
$$\frac{\left(\tan^{2}{\left(x + \frac{\pi}{4} \right)} - 1\right) \left(\cot^{2}{\left(x \right)} - 1\right)}{\left(\tan^{2}{\left(x + \frac{\pi}{4} \right)} + 1\right) \left(\cot^{2}{\left(x \right)} + 1\right)}$$
/       2/    pi\\ /       2   \
|1 - cot |x + --||*\1 - tan (x)/
\        \    4 //              
--------------------------------
/       2/    pi\\ /       2   \
|1 + cot |x + --||*\1 + tan (x)/
\        \    4 //              
$$\frac{\left(- \tan^{2}{\left(x \right)} + 1\right) \left(- \cot^{2}{\left(x + \frac{\pi}{4} \right)} + 1\right)}{\left(\tan^{2}{\left(x \right)} + 1\right) \left(\cot^{2}{\left(x + \frac{\pi}{4} \right)} + 1\right)}$$
          /         4   \
     2    |    4*sin (x)|
4*sin (x)*|1 - ---------|
          |       2     |
          \    sin (2*x)/
-------------------------
               2         
/         4   \          
|    4*sin (x)|          
|1 + ---------| *sin(2*x)
|       2     |          
\    sin (2*x)/          
$$\frac{4 \left(- \frac{4 \sin^{4}{\left(x \right)}}{\sin^{2}{\left(2 x \right)}} + 1\right) \sin^{2}{\left(x \right)}}{\left(\frac{4 \sin^{4}{\left(x \right)}}{\sin^{2}{\left(2 x \right)}} + 1\right)^{2} \sin{\left(2 x \right)}}$$
//   0      for 2*x mod pi = 0\ //   1      for x mod pi = 0\
|<                            |*|<                          |
\\sin(2*x)      otherwise     / \\cos(2*x)     otherwise    /
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\sin{\left(2 x \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\cos{\left(2 x \right)} & \text{otherwise} \end{cases}\right)$$
//      0        for 2*x mod pi = 0\                              
||                                 | //   1      for x mod pi = 0\
|<   /      pi\                    |*|<                          |
||cos|2*x - --|      otherwise     | \\cos(2*x)     otherwise    /
\\   \      2 /                    /                              
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\cos{\left(2 x - \frac{\pi}{2} \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\cos{\left(2 x \right)} & \text{otherwise} \end{cases}\right)$$
                                //      1        for x mod pi = 0\
//   0      for 2*x mod pi = 0\ ||                               |
|<                            |*|<   /pi      \                  |
\\sin(2*x)      otherwise     / ||sin|-- + 2*x|     otherwise    |
                                \\   \2       /                  /
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\sin{\left(2 x \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\sin{\left(2 x + \frac{\pi}{2} \right)} & \text{otherwise} \end{cases}\right)$$
    /         2      \         
    |      sec (x)   |         
  2*|1 - ------------|*sec(x)  
    |       2/    pi\|         
    |    sec |x - --||         
    \        \    2 //         
-------------------------------
                  2            
/         2      \             
|      sec (x)   |     /    pi\
|1 + ------------| *sec|x - --|
|       2/    pi\|     \    2 /
|    sec |x - --||             
\        \    2 //             
$$\frac{2 \left(- \frac{\sec^{2}{\left(x \right)}}{\sec^{2}{\left(x - \frac{\pi}{2} \right)}} + 1\right) \sec{\left(x \right)}}{\left(\frac{\sec^{2}{\left(x \right)}}{\sec^{2}{\left(x - \frac{\pi}{2} \right)}} + 1\right)^{2} \sec{\left(x - \frac{\pi}{2} \right)}}$$
  /       2/    pi\\            
  |    cos |x - --||            
  |        \    2 /|    /    pi\
2*|1 - ------------|*cos|x - --|
  |         2      |    \    2 /
  \      cos (x)   /            
--------------------------------
                     2          
   /       2/    pi\\           
   |    cos |x - --||           
   |        \    2 /|           
   |1 + ------------| *cos(x)   
   |         2      |           
   \      cos (x)   /           
$$\frac{2 \cdot \left(1 - \frac{\cos^{2}{\left(x - \frac{\pi}{2} \right)}}{\cos^{2}{\left(x \right)}}\right) \cos{\left(x - \frac{\pi}{2} \right)}}{\left(1 + \frac{\cos^{2}{\left(x - \frac{\pi}{2} \right)}}{\cos^{2}{\left(x \right)}}\right)^{2} \cos{\left(x \right)}}$$
                                //              /pi      \           \
//   0      for 2*x mod pi = 0\ ||   0      for |-- + 2*x| mod pi = 0|
|<                            |*|<              \2       /           |
\\sin(2*x)      otherwise     / ||                                   |
                                \\cos(2*x)          otherwise        /
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\sin{\left(2 x \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: \left(2 x + \frac{\pi}{2}\right) \bmod \pi = 0 \\\cos{\left(2 x \right)} & \text{otherwise} \end{cases}\right)$$
                              //              /      3*pi\             \
//   1      for x mod pi = 0\ ||   1      for |2*x + ----| mod 2*pi = 0|
|<                          |*|<              \       2  /             |
\\cos(2*x)     otherwise    / ||                                       |
                              \\sin(2*x)            otherwise          /
$$\left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\cos{\left(2 x \right)} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: \left(2 x + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\sin{\left(2 x \right)} & \text{otherwise} \end{cases}\right)$$
//      0        for 2*x mod pi = 0\                              
||                                 | //   1      for x mod pi = 0\
||      1                          | ||                          |
|<-------------      otherwise     |*|<   1                      |
||   /      pi\                    | ||--------     otherwise    |
||sec|2*x - --|                    | \\sec(2*x)                  /
\\   \      2 /                    /                              
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\frac{1}{\sec{\left(2 x - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\frac{1}{\sec{\left(2 x \right)}} & \text{otherwise} \end{cases}\right)$$
  /       2/pi    \\            
  |    csc |-- - x||            
  |        \2     /|    /pi    \
2*|1 - ------------|*csc|-- - x|
  |         2      |    \2     /
  \      csc (x)   /            
--------------------------------
                     2          
   /       2/pi    \\           
   |    csc |-- - x||           
   |        \2     /|           
   |1 + ------------| *csc(x)   
   |         2      |           
   \      csc (x)   /           
$$\frac{2 \cdot \left(1 - \frac{\csc^{2}{\left(- x + \frac{\pi}{2} \right)}}{\csc^{2}{\left(x \right)}}\right) \csc{\left(- x + \frac{\pi}{2} \right)}}{\left(1 + \frac{\csc^{2}{\left(- x + \frac{\pi}{2} \right)}}{\csc^{2}{\left(x \right)}}\right)^{2} \csc{\left(x \right)}}$$
                                //      1        for x mod pi = 0\
//   0      for 2*x mod pi = 0\ ||                               |
||                            | ||      1                        |
|<   1                        |*|<-------------     otherwise    |
||--------      otherwise     | ||   /pi      \                  |
\\csc(2*x)                    / ||csc|-- - 2*x|                  |
                                \\   \2       /                  /
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\frac{1}{\csc{\left(2 x \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\frac{1}{\csc{\left(- 2 x + \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
//     0       for 2*x mod pi = 0\ //     1        for x mod pi = 0\
||                               | ||                              |
||  2*cot(x)                     | ||        2                     |
|<-----------      otherwise     |*|<-1 + cot (x)                  |
||       2                       | ||------------     otherwise    |
||1 + cot (x)                    | ||       2                      |
\\                               / \\1 + cot (x)                   /
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\frac{2 \cot{\left(x \right)}}{\cot^{2}{\left(x \right)} + 1} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\frac{\cot^{2}{\left(x \right)} - 1}{\cot^{2}{\left(x \right)} + 1} & \text{otherwise} \end{cases}\right)$$
//     0       for 2*x mod pi = 0\ //     1       for x mod pi = 0\
||                               | ||                             |
||  2*tan(x)                     | ||       2                     |
|<-----------      otherwise     |*|<1 - tan (x)                  |
||       2                       | ||-----------     otherwise    |
||1 + tan (x)                    | ||       2                     |
\\                               / \\1 + tan (x)                  /
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\frac{2 \tan{\left(x \right)}}{\tan^{2}{\left(x \right)} + 1} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\frac{- \tan^{2}{\left(x \right)} + 1}{\tan^{2}{\left(x \right)} + 1} & \text{otherwise} \end{cases}\right)$$
                                            //     1        for x mod pi = 0\
//         0            for 2*x mod pi = 0\ ||                              |
||                                        | ||        1                     |
||         2                              | ||-1 + -------                  |
||--------------------      otherwise     | ||        2                     |
|
            
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\frac{2}{\left(1 + \frac{1}{\tan^{2}{\left(x \right)}}\right) \tan{\left(x \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\frac{-1 + \frac{1}{\tan^{2}{\left(x \right)}}}{1 + \frac{1}{\tan^{2}{\left(x \right)}}} & \text{otherwise} \end{cases}\right)$$
                                   //                      /pi      \           \
                                   ||       0          for |-- + 2*x| mod pi = 0|
//     0       for 2*x mod pi = 0\ ||                      \2       /           |
||                               | ||                                           |
||  2*cot(x)                     | ||      /    pi\                             |
|<-----------      otherwise     |*|< 2*cot|x + --|                             |
||       2                       | ||      \    4 /                             |
||1 + cot (x)                    | ||----------------          otherwise        |
\\                               / ||       2/    pi\                           |
                                   ||1 + cot |x + --|                           |
                                   \\        \    4 /                           /
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\frac{2 \cot{\left(x \right)}}{\cot^{2}{\left(x \right)} + 1} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 0 & \text{for}\: \left(2 x + \frac{\pi}{2}\right) \bmod \pi = 0 \\\frac{2 \cot{\left(x + \frac{\pi}{4} \right)}}{\cot^{2}{\left(x + \frac{\pi}{4} \right)} + 1} & \text{otherwise} \end{cases}\right)$$
                                  //                       /      3*pi\             \
                                  ||        1          for |2*x + ----| mod 2*pi = 0|
//     1        for x mod pi = 0\ ||                       \       2  /             |
||                              | ||                                                |
||        2                     | ||        2/    pi\                               |
|<-1 + cot (x)                  |*|<-1 + tan |x + --|                               |
||------------     otherwise    | ||         \    4 /                               |
||       2                      | ||-----------------            otherwise          |
\\1 + cot (x)                   / ||        2/    pi\                               |
                                  || 1 + tan |x + --|                               |
                                  \\         \    4 /                               /
$$\left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\frac{\cot^{2}{\left(x \right)} - 1}{\cot^{2}{\left(x \right)} + 1} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: \left(2 x + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\frac{\tan^{2}{\left(x + \frac{\pi}{4} \right)} - 1}{\tan^{2}{\left(x + \frac{\pi}{4} \right)} + 1} & \text{otherwise} \end{cases}\right)$$
//              0                for 2*x mod pi = 0\ //             1               for x mod pi = 0\
||                                                 | ||                                             |
|
            
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\sin{\left(2 x \right)} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\cos{\left(2 x \right)} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right)$$
                                               //      1         for x mod pi = 0\
                                               ||                                |
//           0             for 2*x mod pi = 0\ ||        2                       |
||                                           | ||     sin (2*x)                  |
||        sin(2*x)                           | ||-1 + ---------                  |
||-----------------------      otherwise     | ||          4                     |
|
            
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\frac{\sin{\left(2 x \right)}}{\left(1 + \frac{\sin^{2}{\left(2 x \right)}}{4 \sin^{4}{\left(x \right)}}\right) \sin^{2}{\left(x \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\frac{-1 + \frac{\sin^{2}{\left(2 x \right)}}{4 \sin^{4}{\left(x \right)}}}{1 + \frac{\sin^{2}{\left(2 x \right)}}{4 \sin^{4}{\left(x \right)}}} & \text{otherwise} \end{cases}\right)$$
//               0                  for 2*x mod pi = 0\ //               1                 for x mod pi = 0\
||                                                    | ||                                                 |
||/     0       for 2*x mod pi = 0                    | ||/     1        for x mod pi = 0                  |
|||                                                   | |||                                                |
|<|  2*cot(x)                                         |*|<|        2                                       |
||<-----------      otherwise           otherwise     | ||<-1 + cot (x)                       otherwise    |
|||       2                                           | |||------------     otherwise                      |
|||1 + cot (x)                                        | |||       2                                        |
\\\                                                   / \\\1 + cot (x)                                     /
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\frac{2 \cot{\left(x \right)}}{\cot^{2}{\left(x \right)} + 1} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\frac{\cot^{2}{\left(x \right)} - 1}{\cot^{2}{\left(x \right)} + 1} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right)$$
                                                      //        1          for x mod pi = 0\
                                                      ||                                   |
//              0                 for 2*x mod pi = 0\ ||          2                        |
||                                                  | ||       cos (x)                     |
||           2*cos(x)                               | ||-1 + ------------                  |
||------------------------------      otherwise     | ||        2/    pi\                  |
||/         2      \                                | ||     cos |x - --|                  |
|<|      cos (x)   |    /    pi\                    |*|<         \    2 /                  |
|||1 + ------------|*cos|x - --|                    | ||-----------------     otherwise    |
|||       2/    pi\|    \    2 /                    | ||          2                        |
|||    cos |x - --||                                | ||       cos (x)                     |
||\        \    2 //                                | || 1 + ------------                  |
\\                                                  / ||        2/    pi\                  |
                                                      ||     cos |x - --|                  |
                                                      \\         \    2 /                  /
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\frac{2 \cos{\left(x \right)}}{\left(\frac{\cos^{2}{\left(x \right)}}{\cos^{2}{\left(x - \frac{\pi}{2} \right)}} + 1\right) \cos{\left(x - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\frac{\frac{\cos^{2}{\left(x \right)}}{\cos^{2}{\left(x - \frac{\pi}{2} \right)}} - 1}{\frac{\cos^{2}{\left(x \right)}}{\cos^{2}{\left(x - \frac{\pi}{2} \right)}} + 1} & \text{otherwise} \end{cases}\right)$$
                                                 //        1          for x mod pi = 0\
//            0              for 2*x mod pi = 0\ ||                                   |
||                                             | ||        2/    pi\                  |
||           /    pi\                          | ||     sec |x - --|                  |
||      2*sec|x - --|                          | ||         \    2 /                  |
||           \    2 /                          | ||-1 + ------------                  |
||-------------------------      otherwise     | ||          2                        |
|
            
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\frac{2 \sec{\left(x - \frac{\pi}{2} \right)}}{\left(1 + \frac{\sec^{2}{\left(x - \frac{\pi}{2} \right)}}{\sec^{2}{\left(x \right)}}\right) \sec{\left(x \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\frac{-1 + \frac{\sec^{2}{\left(x - \frac{\pi}{2} \right)}}{\sec^{2}{\left(x \right)}}}{1 + \frac{\sec^{2}{\left(x - \frac{\pi}{2} \right)}}{\sec^{2}{\left(x \right)}}} & \text{otherwise} \end{cases}\right)$$
                                                      //        1          for x mod pi = 0\
                                                      ||                                   |
//              0                 for 2*x mod pi = 0\ ||          2                        |
||                                                  | ||       csc (x)                     |
||           2*csc(x)                               | ||-1 + ------------                  |
||------------------------------      otherwise     | ||        2/pi    \                  |
||/         2      \                                | ||     csc |-- - x|                  |
|<|      csc (x)   |    /pi    \                    |*|<         \2     /                  |
|||1 + ------------|*csc|-- - x|                    | ||-----------------     otherwise    |
|||       2/pi    \|    \2     /                    | ||          2                        |
|||    csc |-- - x||                                | ||       csc (x)                     |
||\        \2     //                                | || 1 + ------------                  |
\\                                                  / ||        2/pi    \                  |
                                                      ||     csc |-- - x|                  |
                                                      \\         \2     /                  /
$$\left(\begin{cases} 0 & \text{for}\: 2 x \bmod \pi = 0 \\\frac{2 \csc{\left(x \right)}}{\left(\frac{\csc^{2}{\left(x \right)}}{\csc^{2}{\left(- x + \frac{\pi}{2} \right)}} + 1\right) \csc{\left(- x + \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right) \left(\begin{cases} 1 & \text{for}\: x \bmod \pi = 0 \\\frac{\frac{\csc^{2}{\left(x \right)}}{\csc^{2}{\left(- x + \frac{\pi}{2} \right)}} - 1}{\frac{\csc^{2}{\left(x \right)}}{\csc^{2}{\left(- x + \frac{\pi}{2} \right)}} + 1} & \text{otherwise} \end{cases}\right)$$
Piecewise((0, Mod(2*x = pi, 0)), (2*csc(x)/((1 + csc(x)^2/csc(pi/2 - x)^2)*csc(pi/2 - x)), True))*Piecewise((1, Mod(x = pi, 0)), ((-1 + csc(x)^2/csc(pi/2 - x)^2)/(1 + csc(x)^2/csc(pi/2 - x)^2), True))