Господин Экзамен

Другие калькуляторы

sqrt(4-4*sin(2*a))*sqrt(2-2*cos(2*a)) если a=-1/3

Выражение, которое надо упростить:

Решение

Вы ввели [src]
  ________________   ________________
\/ 4 - 4*sin(2*a) *\/ 2 - 2*cos(2*a) 
$$\sqrt{- 2 \cos{\left(2 a \right)} + 2} \sqrt{- 4 \sin{\left(2 a \right)} + 4}$$
sqrt(4 - 4*sin(2*a))*sqrt(2 - 2*cos(2*a))
Общее упрощение [src]
     _________                 
    /    2       ______________
4*\/  sin (a) *\/ 1 - sin(2*a) 
$$4 \sqrt{- \sin{\left(2 a \right)} + 1} \sqrt{\sin^{2}{\left(a \right)}}$$
4*sqrt(sin(a)^2)*sqrt(1 - sin(2*a))
Подстановка условия [src]
sqrt(4 - 4*sin(2*a))*sqrt(2 - 2*cos(2*a)) при a = -1/3
подставляем
  ________________   ________________
\/ 4 - 4*sin(2*a) *\/ 2 - 2*cos(2*a) 
$$\sqrt{- 2 \cos{\left(2 a \right)} + 2} \sqrt{- 4 \sin{\left(2 a \right)} + 4}$$
     _________                 
    /    2       ______________
4*\/  sin (a) *\/ 1 - sin(2*a) 
$$4 \sqrt{- \sin{\left(2 a \right)} + 1} \sqrt{\sin^{2}{\left(a \right)}}$$
переменные
a = -1/3
$$a = - \frac{1}{3}$$
     ______________                      
    /    2            ___________________
4*\/  sin ((-1/3)) *\/ 1 - sin(2*(-1/3)) 
$$4 \sqrt{- \sin{\left(2 (-1/3) \right)} + 1} \sqrt{\sin^{2}{\left((-1/3) \right)}}$$
     ____________                    
    /    2          _________________
4*\/  sin (-1/3) *\/ 1 - sin(2*-1/3) 
$$4 \sqrt{- \sin{\left(2 \left(- \frac{1}{3}\right) \right)} + 1} \sqrt{\sin^{2}{\left(- \frac{1}{3} \right)}}$$
    ______________         
4*\/ 1 + sin(2/3) *sin(1/3)
$$4 \sqrt{\sin{\left(\frac{2}{3} \right)} + 1} \sin{\left(\frac{1}{3} \right)}$$
4*sqrt(1 + sin(2/3))*sin(1/3)
Раскрыть выражение [src]
   _______________                        
  /          2       _____________________
\/  4 - 4*cos (a) *\/ 4 - 8*cos(a)*sin(a) 
$$\sqrt{- 4 \cos^{2}{\left(a \right)} + 4} \sqrt{- 8 \sin{\left(a \right)} \cos{\left(a \right)} + 4}$$
                           ___________________________
  _____________________   /          2           2    
\/ 4 - 8*cos(a)*sin(a) *\/  2 - 2*cos (a) + 2*sin (a) 
$$\sqrt{- 8 \sin{\left(a \right)} \cos{\left(a \right)} + 4} \sqrt{2 \sin^{2}{\left(a \right)} - 2 \cos^{2}{\left(a \right)} + 2}$$
sqrt(4 - 8*cos(a)*sin(a))*sqrt(2 - 2*cos(a)^2 + 2*sin(a)^2)
Тригонометрическая часть [src]
    ________________         
2*\/ 4 - 4*sin(2*a) *|sin(a)|
$$2 \sqrt{- 4 \sin{\left(2 a \right)} + 4} \left|{\sin{\left(a \right)}}\right|$$
    ______________     ______________
   /        2         /        4     
  /  2 - -------- *  /  4 - -------- 
\/       sec(2*a)  \/       csc(2*a) 
$$\sqrt{2 - \frac{2}{\sec{\left(2 a \right)}}} \sqrt{4 - \frac{4}{\csc{\left(2 a \right)}}}$$
      ______________
     /        4     
2*  /  4 - -------- 
  \/       csc(2*a) 
--------------------
      |csc(a)|      
$$\frac{2 \sqrt{4 - \frac{4}{\csc{\left(2 a \right)}}}}{\left|{\csc{\left(a \right)}}\right|}$$
    _____________________                   
   /          /pi      \    ________________
  /  2 - 2*sin|-- + 2*a| *\/ 4 - 4*sin(2*a) 
\/            \2       /                    
$$\sqrt{- 2 \sin{\left(2 a + \frac{\pi}{2} \right)} + 2} \sqrt{- 4 \sin{\left(2 a \right)} + 4}$$
                       _____________________
  ________________    /          /      pi\ 
\/ 2 - 2*cos(2*a) *  /  4 - 4*cos|2*a - --| 
                   \/            \      2 / 
$$\sqrt{- 2 \cos{\left(2 a \right)} + 2} \sqrt{- 4 \cos{\left(2 a - \frac{\pi}{2} \right)} + 4}$$
    ______________       ___________________
   /        2           /           4       
  /  2 - -------- *    /  4 - ------------- 
\/       sec(2*a)     /          /      pi\ 
                     /        sec|2*a - --| 
                   \/            \      2 / 
$$\sqrt{2 - \frac{2}{\sec{\left(2 a \right)}}} \sqrt{4 - \frac{4}{\sec{\left(2 a - \frac{\pi}{2} \right)}}}$$
      ___________________     ______________
     /           2           /        4     
    /  2 - ------------- *  /  4 - -------- 
   /          /pi      \  \/       csc(2*a) 
  /        csc|-- - 2*a|                    
\/            \2       /                    
$$\sqrt{2 - \frac{2}{\csc{\left(- 2 a + \frac{\pi}{2} \right)}}} \sqrt{4 - \frac{4}{\csc{\left(2 a \right)}}}$$
    ______________       ___________________
   /        2           /           4       
  /  2 - -------- *    /  4 - ------------- 
\/       sec(2*a)     /          /pi      \ 
                     /        sec|-- - 2*a| 
                   \/            \2       / 
$$\sqrt{2 - \frac{2}{\sec{\left(2 a \right)}}} \sqrt{4 - \frac{4}{\sec{\left(- 2 a + \frac{\pi}{2} \right)}}}$$
      _____________________              
     /          /      pi\  |   /    pi\|
2*  /  4 - 4*cos|2*a - --| *|cos|a - --||
  \/            \      2 /  |   \    2 /|
$$2 \sqrt{- 4 \cos{\left(2 a - \frac{\pi}{2} \right)} + 4} \left|{\cos{\left(a - \frac{\pi}{2} \right)}}\right|$$
      ___________________     ___________________
     /           2           /           4       
    /  2 - ------------- *  /  4 - ------------- 
   /          /pi      \  \/       csc(pi - 2*a) 
  /        csc|-- - 2*a|                         
\/            \2       /                         
$$\sqrt{2 - \frac{2}{\csc{\left(- 2 a + \frac{\pi}{2} \right)}}} \sqrt{4 - \frac{4}{\csc{\left(- 2 a + \pi \right)}}}$$
        ___________________
       /           4       
2*    /  4 - ------------- 
     /          /      pi\ 
    /        sec|2*a - --| 
  \/            \      2 / 
---------------------------
       |   /    pi\|       
       |sec|a - --||       
       |   \    2 /|       
$$\frac{2 \sqrt{4 - \frac{4}{\sec{\left(2 a - \frac{\pi}{2} \right)}}}}{\left|{\sec{\left(a - \frac{\pi}{2} \right)}}\right|}$$
    ______________              |   /a\|
4*\/ 1 - sin(2*a) *(1 + cos(a))*|tan|-||
                                |   \2/|
$$4 \sqrt{- \sin{\left(2 a \right)} + 1} \left(\cos{\left(a \right)} + 1\right) \left|{\tan{\left(\frac{a}{2} \right)}}\right|$$
                           ___________________________
  _____________________   /          2           2    
\/ 4 - 8*cos(a)*sin(a) *\/  2 - 2*cos (a) + 2*sin (a) 
$$\sqrt{- 8 \sin{\left(a \right)} \cos{\left(a \right)} + 4} \sqrt{2 \sin^{2}{\left(a \right)} - 2 \cos^{2}{\left(a \right)} + 2}$$
       _________________         
      /       8*tan(a)   |   /a\|
4*   /  4 - ----------- *|tan|-||
    /              2     |   \2/|
  \/        1 + tan (a)          
---------------------------------
                  2/a\           
           1 + tan |-|           
                   \2/           
$$\frac{4 \sqrt{4 - \frac{8 \tan{\left(a \right)}}{\tan^{2}{\left(a \right)} + 1}} \left|{\tan{\left(\frac{a}{2} \right)}}\right|}{\tan^{2}{\left(\frac{a}{2} \right)} + 1}$$
      _____________________                       
     /       /       2   \       _________________
    /      2*\1 - tan (a)/      /       8*tan(a)  
   /   2 - --------------- *   /  4 - ----------- 
  /                 2         /              2    
\/           1 + tan (a)    \/        1 + tan (a) 
$$\sqrt{4 - \frac{8 \tan{\left(a \right)}}{\tan^{2}{\left(a \right)} + 1}} \sqrt{- \frac{2 \cdot \left(- \tan^{2}{\left(a \right)} + 1\right)}{\tan^{2}{\left(a \right)} + 1} + 2}$$
        ______________________                       
       /           /    pi\                          
      /       4*tan|a + --|         _________________
     /             \    4 /        /       8*tan(a)  
    /    2 - ---------------- *   /  4 - ----------- 
   /                2/    pi\    /              2    
  /          1 + tan |a + --|  \/        1 + tan (a) 
\/                   \    4 /                        
$$\sqrt{2 - \frac{4 \tan{\left(a + \frac{\pi}{4} \right)}}{\tan^{2}{\left(a + \frac{\pi}{4} \right)} + 1}} \sqrt{4 - \frac{8 \tan{\left(a \right)}}{\tan^{2}{\left(a \right)} + 1}}$$
        ______________________                       
       /           /    pi\                          
      /       4*tan|a + --|         _________________
     /             \    4 /        /       8*cot(a)  
    /    2 - ---------------- *   /  4 - ----------- 
   /                2/    pi\    /              2    
  /          1 + tan |a + --|  \/        1 + cot (a) 
\/                   \    4 /                        
$$\sqrt{2 - \frac{4 \tan{\left(a + \frac{\pi}{4} \right)}}{\tan^{2}{\left(a + \frac{\pi}{4} \right)} + 1}} \sqrt{4 - \frac{8 \cot{\left(a \right)}}{\cot^{2}{\left(a \right)} + 1}}$$
          _____________________                                  
         /       /       1   \                                   
        /      2*|1 - -------|                                   
       /         |       2   |         __________________________
      /          \    cot (a)/        /              8           
     /     2 - --------------- *     /  4 - -------------------- 
    /                   1           /       /       1   \        
   /             1 + -------       /        |1 + -------|*cot(a) 
  /                     2         /         |       2   |        
\/                   cot (a)    \/          \    cot (a)/        
$$\sqrt{4 - \frac{8}{\left(1 + \frac{1}{\cot^{2}{\left(a \right)}}\right) \cot{\left(a \right)}}} \sqrt{- \frac{2 \cdot \left(1 - \frac{1}{\cot^{2}{\left(a \right)}}\right)}{1 + \frac{1}{\cot^{2}{\left(a \right)}}} + 2}$$
                                     ___________________________
      ______________________        /       /        2/    pi\\ 
     /       /        2   \        /      4*|-1 + tan |a + --|| 
    /      2*\-1 + cot (a)/       /         \         \    4 // 
   /   2 - ---------------- *    /    4 - --------------------- 
  /                 2           /                   2/    pi\   
\/           1 + cot (a)       /             1 + tan |a + --|   
                             \/                      \    4 /   
$$\sqrt{- \frac{4 \left(\tan^{2}{\left(a + \frac{\pi}{4} \right)} - 1\right)}{\tan^{2}{\left(a + \frac{\pi}{4} \right)} + 1} + 4} \sqrt{- \frac{2 \left(\cot^{2}{\left(a \right)} - 1\right)}{\cot^{2}{\left(a \right)} + 1} + 2}$$
                                    __________________________
      _____________________        /       /       2/    pi\\ 
     /       /       2   \        /      4*|1 - cot |a + --|| 
    /      2*\1 - tan (a)/       /         \        \    4 // 
   /   2 - --------------- *    /    4 - -------------------- 
  /                 2          /                  2/    pi\   
\/           1 + tan (a)      /            1 + cot |a + --|   
                            \/                     \    4 /   
$$\sqrt{- \frac{2 \cdot \left(- \tan^{2}{\left(a \right)} + 1\right)}{\tan^{2}{\left(a \right)} + 1} + 2} \sqrt{- \frac{4 \cdot \left(- \cot^{2}{\left(a + \frac{\pi}{4} \right)} + 1\right)}{\cot^{2}{\left(a + \frac{\pi}{4} \right)} + 1} + 4}$$
      _______________________________________                            
     /       //   0      for 2*a mod pi = 0\  |/  0     for a mod pi = 0|
2*  /  4 - 4*|<                            | *|<                        |
  \/         \\sin(2*a)      otherwise     /  |\sin(a)     otherwise    |
$$2 \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\sin{\left(2 a \right)} & \text{otherwise} \end{cases}\right)\right) + 4}\right) \left(\left|{\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\sin{\left(a \right)} & \text{otherwise} \end{cases}}\right|\right)$$
    _____________________________________     _______________________________________
   /       //   1      for a mod pi = 0\     /       //   0      for 2*a mod pi = 0\ 
  /  2 - 2*|<                          | *  /  4 - 4*|<                            | 
\/         \\cos(2*a)     otherwise    /  \/         \\sin(2*a)      otherwise     / 
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\cos{\left(2 a \right)} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\sin{\left(2 a \right)} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
            _______________________                                        
           /       /         4   \                                         
          /        |    4*sin (a)|                                         
         /       2*|1 - ---------|           ______________________________
        /          |       2     |          /                  2           
       /           \    sin (2*a)/         /             16*sin (a)        
      /      2 - ----------------- *      /   4 - ------------------------ 
     /                      4            /        /         4   \          
    /                  4*sin (a)        /         |    4*sin (a)|          
   /               1 + ---------       /          |1 + ---------|*sin(2*a) 
  /                       2           /           |       2     |          
\/                     sin (2*a)    \/            \    sin (2*a)/          
$$\sqrt{4 - \frac{16 \sin^{2}{\left(a \right)}}{\left(\frac{4 \sin^{4}{\left(a \right)}}{\sin^{2}{\left(2 a \right)}} + 1\right) \sin{\left(2 a \right)}}} \sqrt{- \frac{2 \left(- \frac{4 \sin^{4}{\left(a \right)}}{\sin^{2}{\left(2 a \right)}} + 1\right)}{\frac{4 \sin^{4}{\left(a \right)}}{\sin^{2}{\left(2 a \right)}} + 1} + 2}$$
      __________________________________________                                            
     /       //      1        for a mod pi = 0\      _______________________________________
    /        ||                               |     /       //   0      for 2*a mod pi = 0\ 
   /   2 - 2*|<   /pi      \                  | *  /  4 - 4*|<                            | 
  /          ||sin|-- + 2*a|     otherwise    |  \/         \\sin(2*a)      otherwise     / 
\/           \\   \2       /                  /                                             
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\sin{\left(2 a + \frac{\pi}{2} \right)} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\sin{\left(2 a \right)} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
                                                ____________________________________________
    _____________________________________      /       //      0        for 2*a mod pi = 0\ 
   /       //   1      for a mod pi = 0\      /        ||                                 | 
  /  2 - 2*|<                          | *   /   4 - 4*|<   /      pi\                    | 
\/         \\cos(2*a)     otherwise    /    /          ||cos|2*a - --|      otherwise     | 
                                          \/           \\   \      2 /                    / 
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\cos{\left(2 a \right)} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\cos{\left(2 a - \frac{\pi}{2} \right)} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
      ______________________________________________                                            
     /       //              /pi      \           \      _______________________________________
    /        ||   0      for |-- + 2*a| mod pi = 0|     /       //   0      for 2*a mod pi = 0\ 
   /   2 - 2*|<              \2       /           | *  /  4 - 4*|<                            | 
  /          ||                                   |  \/         \\sin(2*a)      otherwise     / 
\/           \\cos(2*a)          otherwise        /                                             
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 0 & \text{for}\: \left(2 a + \frac{\pi}{2}\right) \bmod \pi = 0 \\\cos{\left(2 a \right)} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\sin{\left(2 a \right)} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
                                                __________________________________________________
    _____________________________________      /       //              /      3*pi\             \ 
   /       //   1      for a mod pi = 0\      /        ||   1      for |2*a + ----| mod 2*pi = 0| 
  /  2 - 2*|<                          | *   /   4 - 4*|<              \       2  /             | 
\/         \\cos(2*a)     otherwise    /    /          ||                                       | 
                                          \/           \\sin(2*a)            otherwise          / 
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\cos{\left(2 a \right)} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 1 & \text{for}\: \left(2 a + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\sin{\left(2 a \right)} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
                                                    ____________________________________________
      _____________________________________        /       //      0        for 2*a mod pi = 0\ 
     /       //   1      for a mod pi = 0\        /        ||                                 | 
    /        ||                          |       /         ||      1                          | 
   /   2 - 2*|<   1                      | *    /    4 - 4*|<-------------      otherwise     | 
  /          ||--------     otherwise    |     /           ||   /      pi\                    | 
\/           \\sec(2*a)                  /    /            ||sec|2*a - --|                    | 
                                            \/             \\   \      2 /                    / 
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\frac{1}{\sec{\left(2 a \right)}} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\frac{1}{\sec{\left(2 a - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
        __________________________________________                                              
       /       //      1        for a mod pi = 0\        _______________________________________
      /        ||                               |       /       //   0      for 2*a mod pi = 0\ 
     /         ||      1                        |      /        ||                            | 
    /    2 - 2*|<-------------     otherwise    | *   /   4 - 4*|<   1                        | 
   /           ||   /pi      \                  |    /          ||--------      otherwise     | 
  /            ||csc|-- - 2*a|                  |  \/           \\csc(2*a)                    / 
\/             \\   \2       /                  /                                               
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\frac{1}{\csc{\left(- 2 a + \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\frac{1}{\csc{\left(2 a \right)}} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
              __________________________                                              
             /       /         2      \                                               
            /        |      sec (a)   |                                               
           /       2*|1 - ------------|                                               
          /          |       2/    pi\|                                               
         /           |    sec |a - --||           ____________________________________
        /            \        \    2 //          /                8*sec(a)            
       /       2 - -------------------- *       /  4 - ------------------------------ 
      /                       2                /       /         2      \             
     /                     sec (a)            /        |      sec (a)   |    /    pi\ 
    /                1 + ------------        /         |1 + ------------|*sec|a - --| 
   /                        2/    pi\       /          |       2/    pi\|    \    2 / 
  /                      sec |a - --|      /           |    sec |a - --||             
\/                           \    2 /    \/            \        \    2 //             
$$\sqrt{4 - \frac{8 \sec{\left(a \right)}}{\left(\frac{\sec^{2}{\left(a \right)}}{\sec^{2}{\left(a - \frac{\pi}{2} \right)}} + 1\right) \sec{\left(a - \frac{\pi}{2} \right)}}} \sqrt{- \frac{2 \left(- \frac{\sec^{2}{\left(a \right)}}{\sec^{2}{\left(a - \frac{\pi}{2} \right)}} + 1\right)}{\frac{\sec^{2}{\left(a \right)}}{\sec^{2}{\left(a - \frac{\pi}{2} \right)}} + 1} + 2}$$
              __________________________                                           
             /       /       2/    pi\\                                            
            /        |    cos |a - --||                                            
           /         |        \    2 /|             _______________________________
          /        2*|1 - ------------|            /                /    pi\       
         /           |         2      |           /            8*cos|a - --|       
        /            \      cos (a)   /          /                  \    2 /       
       /       2 - -------------------- *       /    4 - ------------------------- 
      /                     2/    pi\          /         /       2/    pi\\        
     /                   cos |a - --|         /          |    cos |a - --||        
    /                        \    2 /        /           |        \    2 /|        
   /                 1 + ------------       /            |1 + ------------|*cos(a) 
  /                           2            /             |         2      |        
\/                         cos (a)       \/              \      cos (a)   /        
$$\sqrt{4 - \frac{8 \cos{\left(a - \frac{\pi}{2} \right)}}{\left(1 + \frac{\cos^{2}{\left(a - \frac{\pi}{2} \right)}}{\cos^{2}{\left(a \right)}}\right) \cos{\left(a \right)}}} \sqrt{- \frac{2 \cdot \left(1 - \frac{\cos^{2}{\left(a - \frac{\pi}{2} \right)}}{\cos^{2}{\left(a \right)}}\right)}{1 + \frac{\cos^{2}{\left(a - \frac{\pi}{2} \right)}}{\cos^{2}{\left(a \right)}}} + 2}$$
              __________________________                                           
             /       /       2/pi    \\                                            
            /        |    csc |-- - a||                                            
           /         |        \2     /|             _______________________________
          /        2*|1 - ------------|            /                /pi    \       
         /           |         2      |           /            8*csc|-- - a|       
        /            \      csc (a)   /          /                  \2     /       
       /       2 - -------------------- *       /    4 - ------------------------- 
      /                     2/pi    \          /         /       2/pi    \\        
     /                   csc |-- - a|         /          |    csc |-- - a||        
    /                        \2     /        /           |        \2     /|        
   /                 1 + ------------       /            |1 + ------------|*csc(a) 
  /                           2            /             |         2      |        
\/                         csc (a)       \/              \      csc (a)   /        
$$\sqrt{4 - \frac{8 \csc{\left(- a + \frac{\pi}{2} \right)}}{\left(1 + \frac{\csc^{2}{\left(- a + \frac{\pi}{2} \right)}}{\csc^{2}{\left(a \right)}}\right) \csc{\left(a \right)}}} \sqrt{- \frac{2 \cdot \left(1 - \frac{\csc^{2}{\left(- a + \frac{\pi}{2} \right)}}{\csc^{2}{\left(a \right)}}\right)}{1 + \frac{\csc^{2}{\left(- a + \frac{\pi}{2} \right)}}{\csc^{2}{\left(a \right)}}} + 2}$$
          __________________________________________ |/     0       for a mod pi = 0|
         /       //     0       for 2*a mod pi = 0\  ||                             |
        /        ||                               |  ||       /a\                   |
       /         ||  2*cot(a)                     |  ||  2*cot|-|                   |
2*    /    4 - 4*|<-----------      otherwise     | *|<       \2/                   |
     /           ||       2                       |  ||-----------     otherwise    |
    /            ||1 + cot (a)                    |  ||       2/a\                  |
  \/             \\                               /  ||1 + cot |-|                  |
                                                     |\        \2/                  |
$$2 \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\frac{2 \cot{\left(a \right)}}{\cot^{2}{\left(a \right)} + 1} & \text{otherwise} \end{cases}\right)\right) + 4}\right) \left(\left|{\begin{cases} 0 & \text{for}\: a \bmod \pi = 0 \\\frac{2 \cot{\left(\frac{a}{2} \right)}}{\cot^{2}{\left(\frac{a}{2} \right)} + 1} & \text{otherwise} \end{cases}}\right|\right)$$
        _________________________________________         __________________________________________
       /       //     1        for a mod pi = 0\         /       //     0       for 2*a mod pi = 0\ 
      /        ||                              |        /        ||                               | 
     /         ||        2                     |       /         ||  2*cot(a)                     | 
    /    2 - 2*|<-1 + cot (a)                  | *    /    4 - 4*|<-----------      otherwise     | 
   /           ||------------     otherwise    |     /           ||       2                       | 
  /            ||       2                      |    /            ||1 + cot (a)                    | 
\/             \\1 + cot (a)                   /  \/             \\                               / 
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\frac{\cot^{2}{\left(a \right)} - 1}{\cot^{2}{\left(a \right)} + 1} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\frac{2 \cot{\left(a \right)}}{\cot^{2}{\left(a \right)} + 1} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
        ________________________________________         __________________________________________
       /       //     1       for a mod pi = 0\         /       //     0       for 2*a mod pi = 0\ 
      /        ||                             |        /        ||                               | 
     /         ||       2                     |       /         ||  2*tan(a)                     | 
    /    2 - 2*|<1 - tan (a)                  | *    /    4 - 4*|<-----------      otherwise     | 
   /           ||-----------     otherwise    |     /           ||       2                       | 
  /            ||       2                     |    /            ||1 + tan (a)                    | 
\/             \\1 + tan (a)                  /  \/             \\                               / 
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\frac{- \tan^{2}{\left(a \right)} + 1}{\tan^{2}{\left(a \right)} + 1} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\frac{2 \tan{\left(a \right)}}{\tan^{2}{\left(a \right)} + 1} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
            _________________________________________                                                              
           /       //     1        for a mod pi = 0\            ___________________________________________________
          /        ||                              |           /       //         0            for 2*a mod pi = 0\ 
         /         ||        1                     |          /        ||                                        | 
        /          ||-1 + -------                  |         /         ||         2                              | 
       /           ||        2                     |        /          ||--------------------      otherwise     | 
      /      2 - 2*|<     tan (a)                  | *     /     4 - 4*|
            
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\frac{-1 + \frac{1}{\tan^{2}{\left(a \right)}}}{1 + \frac{1}{\tan^{2}{\left(a \right)}}} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\frac{2}{\left(1 + \frac{1}{\tan^{2}{\left(a \right)}}\right) \tan{\left(a \right)}} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
            ______________________________________________________                                                   
           /       //                      /pi      \           \                                                    
          /        ||       0          for |-- + 2*a| mod pi = 0|          __________________________________________
         /         ||                      \2       /           |         /       //     0       for 2*a mod pi = 0\ 
        /          ||                                           |        /        ||                               | 
       /           ||      /    pi\                             |       /         ||  2*cot(a)                     | 
      /      2 - 2*|< 2*cot|a + --|                             | *    /    4 - 4*|<-----------      otherwise     | 
     /             ||      \    4 /                             |     /           ||       2                       | 
    /              ||----------------          otherwise        |    /            ||1 + cot (a)                    | 
   /               ||       2/    pi\                           |  \/             \\                               / 
  /                ||1 + cot |a + --|                           |                                                    
\/                 \\        \    4 /                           /                                                    
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 0 & \text{for}\: \left(2 a + \frac{\pi}{2}\right) \bmod \pi = 0 \\\frac{2 \cot{\left(a + \frac{\pi}{4} \right)}}{\cot^{2}{\left(a + \frac{\pi}{4} \right)} + 1} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\frac{2 \cot{\left(a \right)}}{\cot^{2}{\left(a \right)} + 1} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
                                                              ___________________________________________________________
                                                             /       //                       /      3*pi\             \ 
        _________________________________________           /        ||        1          for |2*a + ----| mod 2*pi = 0| 
       /       //     1        for a mod pi = 0\           /         ||                       \       2  /             | 
      /        ||                              |          /          ||                                                | 
     /         ||        2                     |         /           ||        2/    pi\                               | 
    /    2 - 2*|<-1 + cot (a)                  | *      /      4 - 4*|<-1 + tan |a + --|                               | 
   /           ||------------     otherwise    |       /             ||         \    4 /                               | 
  /            ||       2                      |      /              ||-----------------            otherwise          | 
\/             \\1 + cot (a)                   /     /               ||        2/    pi\                               | 
                                                    /                || 1 + tan |a + --|                               | 
                                                  \/                 \\         \    4 /                               / 
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\frac{\cot^{2}{\left(a \right)} - 1}{\cot^{2}{\left(a \right)} + 1} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 1 & \text{for}\: \left(2 a + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\frac{\tan^{2}{\left(a + \frac{\pi}{4} \right)} - 1}{\tan^{2}{\left(a + \frac{\pi}{4} \right)} + 1} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
      ________________________________________________________       ____________________________________________________________
     /       //             1               for a mod pi = 0\       /       //              0                for 2*a mod pi = 0\ 
    /        ||                                             |      /        ||                                                 | 
   /   2 - 2*|
            
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\cos{\left(2 a \right)} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\sin{\left(2 a \right)} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
              ___________________________________________                                                                 
             /       //      1         for a mod pi = 0\                                                                  
            /        ||                                |            ______________________________________________________
           /         ||        2                       |           /       //           0             for 2*a mod pi = 0\ 
          /          ||     sin (2*a)                  |          /        ||                                           | 
         /           ||-1 + ---------                  |         /         ||        sin(2*a)                           | 
        /            ||          4                     |        /          ||-----------------------      otherwise     | 
       /       2 - 2*|<     4*sin (a)                  | *     /     4 - 4*|
            
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\frac{-1 + \frac{\sin^{2}{\left(2 a \right)}}{4 \sin^{4}{\left(a \right)}}}{1 + \frac{\sin^{2}{\left(2 a \right)}}{4 \sin^{4}{\left(a \right)}}} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\frac{\sin{\left(2 a \right)}}{\left(1 + \frac{\sin^{2}{\left(2 a \right)}}{4 \sin^{4}{\left(a \right)}}\right) \sin^{2}{\left(a \right)}} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
          ____________________________________________________________           _______________________________________________________________
         /       //               1                 for a mod pi = 0\           /       //               0                  for 2*a mod pi = 0\ 
        /        ||                                                 |          /        ||                                                    | 
       /         ||/     1        for a mod pi = 0                  |         /         ||/     0       for 2*a mod pi = 0                    | 
      /          |||                                                |        /          |||                                                   | 
     /     2 - 2*|<|        2                                       | *     /     4 - 4*|<|  2*cot(a)                                         | 
    /            ||<-1 + cot (a)                       otherwise    |      /            ||<-----------      otherwise           otherwise     | 
   /             |||------------     otherwise                      |     /             |||       2                                           | 
  /              |||       2                                        |    /              |||1 + cot (a)                                        | 
\/               \\\1 + cot (a)                                     /  \/               \\\                                                   / 
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\frac{\cot^{2}{\left(a \right)} - 1}{\cot^{2}{\left(a \right)} + 1} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\frac{2 \cot{\left(a \right)}}{\cot^{2}{\left(a \right)} + 1} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
                ______________________________________________                                                                          
               /       //        1          for a mod pi = 0\                                                                           
              /        ||                                   |              _____________________________________________________________
             /         ||          2                        |             /       //              0                 for 2*a mod pi = 0\ 
            /          ||       cos (a)                     |            /        ||                                                  | 
           /           ||-1 + ------------                  |           /         ||           2*cos(a)                               | 
          /            ||        2/    pi\                  |          /          ||------------------------------      otherwise     | 
         /             ||     cos |a - --|                  |         /           ||/         2      \                                | 
        /        2 - 2*|<         \    2 /                  | *      /      4 - 4*|<|      cos (a)   |    /    pi\                    | 
       /               ||-----------------     otherwise    |       /             |||1 + ------------|*cos|a - --|                    | 
      /                ||          2                        |      /              |||       2/    pi\|    \    2 /                    | 
     /                 ||       cos (a)                     |     /               |||    cos |a - --||                                | 
    /                  || 1 + ------------                  |    /                ||\        \    2 //                                | 
   /                   ||        2/    pi\                  |  \/                 \\                                                  / 
  /                    ||     cos |a - --|                  |                                                                           
\/                     \\         \    2 /                  /                                                                           
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\frac{\frac{\cos^{2}{\left(a \right)}}{\cos^{2}{\left(a - \frac{\pi}{2} \right)}} - 1}{\frac{\cos^{2}{\left(a \right)}}{\cos^{2}{\left(a - \frac{\pi}{2} \right)}} + 1} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\frac{2 \cos{\left(a \right)}}{\left(\frac{\cos^{2}{\left(a \right)}}{\cos^{2}{\left(a - \frac{\pi}{2} \right)}} + 1\right) \cos{\left(a - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
                ______________________________________________                                                                       
               /       //        1          for a mod pi = 0\                ________________________________________________________
              /        ||                                   |               /       //            0              for 2*a mod pi = 0\ 
             /         ||        2/    pi\                  |              /        ||                                             | 
            /          ||     sec |a - --|                  |             /         ||           /    pi\                          | 
           /           ||         \    2 /                  |            /          ||      2*sec|a - --|                          | 
          /            ||-1 + ------------                  |           /           ||           \    2 /                          | 
         /             ||          2                        |          /            ||-------------------------      otherwise     | 
        /        2 - 2*|<       sec (a)                     | *       /       4 - 4*|
            
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\frac{-1 + \frac{\sec^{2}{\left(a - \frac{\pi}{2} \right)}}{\sec^{2}{\left(a \right)}}}{1 + \frac{\sec^{2}{\left(a - \frac{\pi}{2} \right)}}{\sec^{2}{\left(a \right)}}} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\frac{2 \sec{\left(a - \frac{\pi}{2} \right)}}{\left(1 + \frac{\sec^{2}{\left(a - \frac{\pi}{2} \right)}}{\sec^{2}{\left(a \right)}}\right) \sec{\left(a \right)}} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
                ______________________________________________                                                                          
               /       //        1          for a mod pi = 0\                                                                           
              /        ||                                   |              _____________________________________________________________
             /         ||          2                        |             /       //              0                 for 2*a mod pi = 0\ 
            /          ||       csc (a)                     |            /        ||                                                  | 
           /           ||-1 + ------------                  |           /         ||           2*csc(a)                               | 
          /            ||        2/pi    \                  |          /          ||------------------------------      otherwise     | 
         /             ||     csc |-- - a|                  |         /           ||/         2      \                                | 
        /        2 - 2*|<         \2     /                  | *      /      4 - 4*|<|      csc (a)   |    /pi    \                    | 
       /               ||-----------------     otherwise    |       /             |||1 + ------------|*csc|-- - a|                    | 
      /                ||          2                        |      /              |||       2/pi    \|    \2     /                    | 
     /                 ||       csc (a)                     |     /               |||    csc |-- - a||                                | 
    /                  || 1 + ------------                  |    /                ||\        \2     //                                | 
   /                   ||        2/pi    \                  |  \/                 \\                                                  / 
  /                    ||     csc |-- - a|                  |                                                                           
\/                     \\         \2     /                  /                                                                           
$$\left(\sqrt{\left(- 2 \left(\begin{cases} 1 & \text{for}\: a \bmod \pi = 0 \\\frac{\frac{\csc^{2}{\left(a \right)}}{\csc^{2}{\left(- a + \frac{\pi}{2} \right)}} - 1}{\frac{\csc^{2}{\left(a \right)}}{\csc^{2}{\left(- a + \frac{\pi}{2} \right)}} + 1} & \text{otherwise} \end{cases}\right)\right) + 2}\right) \left(\sqrt{\left(- 4 \left(\begin{cases} 0 & \text{for}\: 2 a \bmod \pi = 0 \\\frac{2 \csc{\left(a \right)}}{\left(\frac{\csc^{2}{\left(a \right)}}{\csc^{2}{\left(- a + \frac{\pi}{2} \right)}} + 1\right) \csc{\left(- a + \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)\right) + 4}\right)$$
sqrt(2 - 2*Piecewise((1, Mod(a = pi, 0)), ((-1 + csc(a)^2/csc(pi/2 - a)^2)/(1 + csc(a)^2/csc(pi/2 - a)^2), True)))*sqrt(4 - 4*Piecewise((0, Mod(2*a = pi, 0)), (2*csc(a)/((1 + csc(a)^2/csc(pi/2 - a)^2)*csc(pi/2 - a)), True)))
Объединение рациональных выражений [src]
    ___   ______________   ______________
2*\/ 2 *\/ 1 - cos(2*a) *\/ 1 - sin(2*a) 
$$2 \sqrt{2} \sqrt{- \sin{\left(2 a \right)} + 1} \sqrt{- \cos{\left(2 a \right)} + 1}$$
2*sqrt(2)*sqrt(1 - cos(2*a))*sqrt(1 - sin(2*a))
Численный ответ [src]
2.82842712474619*(1 - cos(2*a))^0.5*(1 - sin(2*a))^0.5
2.82842712474619*(1 - cos(2*a))^0.5*(1 - sin(2*a))^0.5
Степени [src]
   ______________________________    ______________________
  /         /   -2*I*a    2*I*a\    /      -2*I*a    2*I*a 
\/  4 + 2*I*\- e       + e     / *\/  2 - e       - e      
$$\sqrt{2 i \left(e^{2 i a} - e^{- 2 i a}\right) + 4} \sqrt{- e^{2 i a} + 2 - e^{- 2 i a}}$$
  ___________________________________
\/ (2 - 2*cos(2*a))*(4 - 4*sin(2*a)) 
$$\sqrt{\left(- 2 \cos{\left(2 a \right)} + 2\right) \left(- 4 \sin{\left(2 a \right)} + 4\right)}$$
sqrt((2 - 2*cos(2*a))*(4 - 4*sin(2*a)))
Комбинаторика [src]
    ___   ______________   ______________
2*\/ 2 *\/ 1 - cos(2*a) *\/ 1 - sin(2*a) 
$$2 \sqrt{2} \sqrt{- \sin{\left(2 a \right)} + 1} \sqrt{- \cos{\left(2 a \right)} + 1}$$
2*sqrt(2)*sqrt(1 - cos(2*a))*sqrt(1 - sin(2*a))
Общий знаменатель [src]
    ___   ______________   ______________
2*\/ 2 *\/ 1 - cos(2*a) *\/ 1 - sin(2*a) 
$$2 \sqrt{2} \sqrt{- \sin{\left(2 a \right)} + 1} \sqrt{- \cos{\left(2 a \right)} + 1}$$
2*sqrt(2)*sqrt(1 - cos(2*a))*sqrt(1 - sin(2*a))