Господин Экзамен

Другие калькуляторы

Общий знаменатель (sin(b)/1+cos(b))+(sin(b)/1-cos(b))

Выражение, которое надо упростить:

Решение

Вы ввели [src]
sin(b)            sin(b)         
------ + cos(b) + ------ - cos(b)
  1                 1            
$$\frac{\sin{\left(b \right)}}{1} + \frac{\sin{\left(b \right)}}{1} - \cos{\left(b \right)} + \cos{\left(b \right)}$$
sin(b)/1 + cos(b) + sin(b)/1 - cos(b)
Общее упрощение [src]
2*sin(b)
$$2 \sin{\left(b \right)}$$
2*sin(b)
Разложение дроби [src]
2*sin(b)
$$2 \sin{\left(b \right)}$$
2*sin(b)
Рациональный знаменатель [src]
2*sin(b)
$$2 \sin{\left(b \right)}$$
2*sin(b)
Общий знаменатель [src]
2*sin(b)
$$2 \sin{\left(b \right)}$$
2*sin(b)
Объединение рациональных выражений [src]
2*sin(b)
$$2 \sin{\left(b \right)}$$
2*sin(b)
Комбинаторика [src]
2*sin(b)
$$2 \sin{\left(b \right)}$$
2*sin(b)
Раскрыть выражение [src]
2*sin(b)
$$2 \sin{\left(b \right)}$$
2*sin(b)
Собрать выражение [src]
2*sin(b)
$$2 \sin{\left(b \right)}$$
2*sin(b)
Тригонометрическая часть [src]
2*sin(b)
$$2 \sin{\left(b \right)}$$
  2   
------
csc(b)
$$\frac{2}{\csc{\left(b \right)}}$$
     /    pi\
2*cos|b - --|
     \    2 /
$$2 \cos{\left(b - \frac{\pi}{2} \right)}$$
     2     
-----------
csc(pi - b)
$$\frac{2}{\csc{\left(- b + \pi \right)}}$$
     2     
-----------
   /    pi\
sec|b - --|
   \    2 /
$$\frac{2}{\sec{\left(b - \frac{\pi}{2} \right)}}$$
     2     
-----------
   /pi    \
sec|-- - b|
   \2     /
$$\frac{2}{\sec{\left(- b + \frac{\pi}{2} \right)}}$$
                  /b\
2*(1 + cos(b))*tan|-|
                  \2/
$$2 \left(\cos{\left(b \right)} + 1\right) \tan{\left(\frac{b}{2} \right)}$$
       /b\ 
  4*cot|-| 
       \2/ 
-----------
       2/b\
1 + cot |-|
        \2/
$$\frac{4 \cot{\left(\frac{b}{2} \right)}}{\cot^{2}{\left(\frac{b}{2} \right)} + 1}$$
       /b\ 
  4*tan|-| 
       \2/ 
-----------
       2/b\
1 + tan |-|
        \2/
$$\frac{4 \tan{\left(\frac{b}{2} \right)}}{\tan^{2}{\left(\frac{b}{2} \right)} + 1}$$
         4          
--------------------
/       1   \    /b\
|1 + -------|*cot|-|
|       2/b\|    \2/
|    cot |-||       
\        \2//       
$$\frac{4}{\left(1 + \frac{1}{\cot^{2}{\left(\frac{b}{2} \right)}}\right) \cot{\left(\frac{b}{2} \right)}}$$
/       2/b   pi\\             
|1 - cot |- + --||*(1 + sin(b))
\        \2   4 //             
$$\left(- \cot^{2}{\left(\frac{b}{2} + \frac{\pi}{4} \right)} + 1\right) \left(\sin{\left(b \right)} + 1\right)$$
  //  0     for b mod pi = 0\
2*|<                        |
  \\sin(b)     otherwise    /
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\sin{\left(b \right)} & \text{otherwise} \end{cases}\right)$$
  //  0     for b mod pi = 0\
  ||                        |
2*|<  1                     |
  ||------     otherwise    |
  \\csc(b)                  /
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\frac{1}{\csc{\left(b \right)}} & \text{otherwise} \end{cases}\right)$$
  //     0       for b mod pi = 0\
  ||                             |
2*|<   /    pi\                  |
  ||cos|b - --|     otherwise    |
  \\   \    2 /                  /
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\cos{\left(b - \frac{\pi}{2} \right)} & \text{otherwise} \end{cases}\right)$$
       2/b\        
  8*sin |-|*sin(b) 
        \2/        
-------------------
   2           4/b\
sin (b) + 4*sin |-|
                \2/
$$\frac{8 \sin^{2}{\left(\frac{b}{2} \right)} \sin{\left(b \right)}}{4 \sin^{4}{\left(\frac{b}{2} \right)} + \sin^{2}{\left(b \right)}}$$
  /        2/b   pi\\
2*|-1 + tan |- + --||
  \         \2   4 //
---------------------
          2/b   pi\  
   1 + tan |- + --|  
           \2   4 /  
$$\frac{2 \left(\tan^{2}{\left(\frac{b}{2} + \frac{\pi}{4} \right)} - 1\right)}{\tan^{2}{\left(\frac{b}{2} + \frac{\pi}{4} \right)} + 1}$$
  /       2/b   pi\\
2*|1 - cot |- + --||
  \        \2   4 //
--------------------
         2/b   pi\  
  1 + cot |- + --|  
          \2   4 /  
$$\frac{2 \cdot \left(- \cot^{2}{\left(\frac{b}{2} + \frac{\pi}{4} \right)} + 1\right)}{\cot^{2}{\left(\frac{b}{2} + \frac{\pi}{4} \right)} + 1}$$
  //     0       for b mod pi = 0\
  ||                             |
  ||     1                       |
2*|<-----------     otherwise    |
  ||   /    pi\                  |
  ||sec|b - --|                  |
  \\   \    2 /                  /
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\frac{1}{\sec{\left(b - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
  //            /    3*pi\             \
  ||  1     for |b + ----| mod 2*pi = 0|
2*|<            \     2  /             |
  ||                                   |
  \\sin(b)           otherwise         /
$$2 \left(\begin{cases} 1 & \text{for}\: \left(b + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\sin{\left(b \right)} & \text{otherwise} \end{cases}\right)$$
           2/b\       
      8*sin |-|       
            \2/       
----------------------
/         4/b\\       
|    4*sin |-||       
|          \2/|       
|1 + ---------|*sin(b)
|        2    |       
\     sin (b) /       
$$\frac{8 \sin^{2}{\left(\frac{b}{2} \right)}}{\left(\frac{4 \sin^{4}{\left(\frac{b}{2} \right)}}{\sin^{2}{\left(b \right)}} + 1\right) \sin{\left(b \right)}}$$
  //    0       for b mod pi = 0\
  ||                            |
  ||1 - cos(b)                  |
2*|<----------     otherwise    |
  ||     /b\                    |
  ||  tan|-|                    |
  \\     \2/                    /
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\frac{- \cos{\left(b \right)} + 1}{\tan{\left(\frac{b}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
  //     0       for b mod pi = 0\
  ||                             |
  ||       /b\                   |
  ||  2*cot|-|                   |
2*|<       \2/                   |
  ||-----------     otherwise    |
  ||       2/b\                  |
  ||1 + cot |-|                  |
  \\        \2/                  /
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\frac{2 \cot{\left(\frac{b}{2} \right)}}{\cot^{2}{\left(\frac{b}{2} \right)} + 1} & \text{otherwise} \end{cases}\right)$$
  //     0       for b mod pi = 0\
  ||                             |
  ||       /b\                   |
  ||  2*tan|-|                   |
2*|<       \2/                   |
  ||-----------     otherwise    |
  ||       2/b\                  |
  ||1 + tan |-|                  |
  \\        \2/                  /
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\frac{2 \tan{\left(\frac{b}{2} \right)}}{\tan^{2}{\left(\frac{b}{2} \right)} + 1} & \text{otherwise} \end{cases}\right)$$
  //            0              for b mod pi = 0\
  ||                                           |
2*|
            
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\sin{\left(b \right)} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right)$$
  //         0            for b mod pi = 0\
  ||                                      |
  ||         2                            |
  ||--------------------     otherwise    |
2*|
            
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\frac{2}{\left(1 + \frac{1}{\tan^{2}{\left(\frac{b}{2} \right)}}\right) \tan{\left(\frac{b}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
           /b   pi\      
      4*cos|- - --|      
           \2   2 /      
-------------------------
/       2/b   pi\\       
|    cos |- - --||       
|        \2   2 /|    /b\
|1 + ------------|*cos|-|
|         2/b\   |    \2/
|      cos |-|   |       
\          \2/   /       
$$\frac{4 \cos{\left(\frac{b}{2} - \frac{\pi}{2} \right)}}{\left(1 + \frac{\cos^{2}{\left(\frac{b}{2} - \frac{\pi}{2} \right)}}{\cos^{2}{\left(\frac{b}{2} \right)}}\right) \cos{\left(\frac{b}{2} \right)}}$$
                /b\           
           4*sec|-|           
                \2/           
------------------------------
/         2/b\   \            
|      sec |-|   |            
|          \2/   |    /b   pi\
|1 + ------------|*sec|- - --|
|       2/b   pi\|    \2   2 /
|    sec |- - --||            
\        \2   2 //            
$$\frac{4 \sec{\left(\frac{b}{2} \right)}}{\left(\frac{\sec^{2}{\left(\frac{b}{2} \right)}}{\sec^{2}{\left(\frac{b}{2} - \frac{\pi}{2} \right)}} + 1\right) \sec{\left(\frac{b}{2} - \frac{\pi}{2} \right)}}$$
           /pi   b\      
      4*csc|-- - -|      
           \2    2/      
-------------------------
/       2/pi   b\\       
|    csc |-- - -||       
|        \2    2/|    /b\
|1 + ------------|*csc|-|
|         2/b\   |    \2/
|      csc |-|   |       
\          \2/   /       
$$\frac{4 \csc{\left(- \frac{b}{2} + \frac{\pi}{2} \right)}}{\left(1 + \frac{\csc^{2}{\left(- \frac{b}{2} + \frac{\pi}{2} \right)}}{\csc^{2}{\left(\frac{b}{2} \right)}}\right) \csc{\left(\frac{b}{2} \right)}}$$
  //                       /    3*pi\             \
  ||        1          for |b + ----| mod 2*pi = 0|
  ||                       \     2  /             |
  ||                                              |
  ||        2/b   pi\                             |
2*|<-1 + tan |- + --|                             |
  ||         \2   4 /                             |
  ||-----------------           otherwise         |
  ||        2/b   pi\                             |
  || 1 + tan |- + --|                             |
  \\         \2   4 /                             /
$$2 \left(\begin{cases} 1 & \text{for}\: \left(b + \frac{3 \pi}{2}\right) \bmod 2 \pi = 0 \\\frac{\tan^{2}{\left(\frac{b}{2} + \frac{\pi}{4} \right)} - 1}{\tan^{2}{\left(\frac{b}{2} + \frac{\pi}{4} \right)} + 1} & \text{otherwise} \end{cases}\right)$$
  //           0             for b mod pi = 0\
  ||                                         |
  ||         sin(b)                          |
  ||-----------------------     otherwise    |
  ||/        2    \                          |
2*|<|     sin (b) |    2/b\                  |
  |||1 + ---------|*sin |-|                  |
  |||         4/b\|     \2/                  |
  |||    4*sin |-||                          |
  ||\          \2//                          |
  \\                                         /
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\frac{\sin{\left(b \right)}}{\left(1 + \frac{\sin^{2}{\left(b \right)}}{4 \sin^{4}{\left(\frac{b}{2} \right)}}\right) \sin^{2}{\left(\frac{b}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
  //              0                 for b mod pi = 0\
  ||                                                |
  ||/     0       for b mod pi = 0                  |
  |||                                               |
  |||       /b\                                     |
2*|<|  2*cot|-|                                     |
  ||<       \2/                        otherwise    |
  |||-----------     otherwise                      |
  |||       2/b\                                    |
  |||1 + cot |-|                                    |
  \\\        \2/                                    /
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\frac{2 \cot{\left(\frac{b}{2} \right)}}{\cot^{2}{\left(\frac{b}{2} \right)} + 1} & \text{otherwise} \end{cases} & \text{otherwise} \end{cases}\right)$$
  //             0                for b mod pi = 0\
  ||                                              |
  ||          2*sin(b)                            |
  ||----------------------------     otherwise    |
  ||             /        2    \                  |
2*|<             |     sin (b) |                  |
  ||(1 - cos(b))*|1 + ---------|                  |
  ||             |         4/b\|                  |
  ||             |    4*sin |-||                  |
  ||             \          \2//                  |
  \\                                              /
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\frac{2 \sin{\left(b \right)}}{\left(1 + \frac{\sin^{2}{\left(b \right)}}{4 \sin^{4}{\left(\frac{b}{2} \right)}}\right) \left(- \cos{\left(b \right)} + 1\right)} & \text{otherwise} \end{cases}\right)$$
  //            0              for b mod pi = 0\
  ||                                           |
  ||           /b   pi\                        |
  ||      2*sec|- - --|                        |
  ||           \2   2 /                        |
  ||-------------------------     otherwise    |
2*|
            
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\frac{2 \sec{\left(\frac{b}{2} - \frac{\pi}{2} \right)}}{\left(1 + \frac{\sec^{2}{\left(\frac{b}{2} - \frac{\pi}{2} \right)}}{\sec^{2}{\left(\frac{b}{2} \right)}}\right) \sec{\left(\frac{b}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
  //              0                 for b mod pi = 0\
  ||                                                |
  ||                /b\                             |
  ||           2*cos|-|                             |
  ||                \2/                             |
  ||------------------------------     otherwise    |
2*|
            
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\frac{2 \cos{\left(\frac{b}{2} \right)}}{\left(\frac{\cos^{2}{\left(\frac{b}{2} \right)}}{\cos^{2}{\left(\frac{b}{2} - \frac{\pi}{2} \right)}} + 1\right) \cos{\left(\frac{b}{2} - \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
  //              0                 for b mod pi = 0\
  ||                                                |
  ||                /b\                             |
  ||           2*csc|-|                             |
  ||                \2/                             |
  ||------------------------------     otherwise    |
2*|
            
$$2 \left(\begin{cases} 0 & \text{for}\: b \bmod \pi = 0 \\\frac{2 \csc{\left(\frac{b}{2} \right)}}{\left(\frac{\csc^{2}{\left(\frac{b}{2} \right)}}{\csc^{2}{\left(- \frac{b}{2} + \frac{\pi}{2} \right)}} + 1\right) \csc{\left(- \frac{b}{2} + \frac{\pi}{2} \right)}} & \text{otherwise} \end{cases}\right)$$
2*Piecewise((0, Mod(b = pi, 0)), (2*csc(b/2)/((1 + csc(b/2)^2/csc(pi/2 - b/2)^2)*csc(pi/2 - b/2)), True))
Степени [src]
2*sin(b)
$$2 \sin{\left(b \right)}$$
   /   -I*b    I*b\
-I*\- e     + e   /
$$- i \left(e^{i b} - e^{- i b}\right)$$
-i*(-exp(-i*b) + exp(i*b))
Численный ответ [src]
2.0*sin(b)
2.0*sin(b)