Господин Экзамен

Другие калькуляторы

sin(a-pi) если a=3/2

Выражение, которое надо упростить:

Решение

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