Sr Examen

¿Cómo vas a descomponer esta sin*(x)/(cos(x)-1) expresión en fracciones?

Expresión a simplificar:

Solución

Ha introducido [src]
  sin(x)  
----------
cos(x) - 1
$$\frac{\sin{\left(x \right)}}{\cos{\left(x \right)} - 1}$$
sin(x)/(cos(x) - 1)
Potencias [src]
    /   -I*x    I*x\ 
 -I*\- e     + e   / 
---------------------
  /      I*x    -I*x\
  |     e      e    |
2*|-1 + ---- + -----|
  \      2       2  /
$$- \frac{i \left(e^{i x} - e^{- i x}\right)}{2 \left(\frac{e^{i x}}{2} - 1 + \frac{e^{- i x}}{2}\right)}$$
-i*(-exp(-i*x) + exp(i*x))/(2*(-1 + exp(i*x)/2 + exp(-i*x)/2))
Respuesta numérica [src]
sin(x)/(-1.0 + cos(x))
sin(x)/(-1.0 + cos(x))
Parte trigonométrica [src]
     sin(x)     
----------------
        /    pi\
-1 + sin|x + --|
        \    2 /
$$\frac{\sin{\left(x \right)}}{\sin{\left(x + \frac{\pi}{2} \right)} - 1}$$
                  /x\            
             2*cot|-|            
                  \2/            
---------------------------------
              /             2/x\\
              |     -1 + cot |-||
/       2/x\\ |              \2/|
|1 + cot |-||*|-1 + ------------|
\        \2// |            2/x\ |
              |     1 + cot |-| |
              \             \2/ /
$$\frac{2 \cot{\left(\frac{x}{2} \right)}}{\left(\frac{\cot^{2}{\left(\frac{x}{2} \right)} - 1}{\cot^{2}{\left(\frac{x}{2} \right)} + 1} - 1\right) \left(\cot^{2}{\left(\frac{x}{2} \right)} + 1\right)}$$
            1            
-------------------------
/          1     \       
|-1 + -----------|*csc(x)
|        /pi    \|       
|     csc|-- - x||       
\        \2     //       
$$\frac{1}{\left(-1 + \frac{1}{\csc{\left(- x + \frac{\pi}{2} \right)}}\right) \csc{\left(x \right)}}$$
                 /x\            
            2*tan|-|            
                 \2/            
--------------------------------
              /            2/x\\
              |     1 - tan |-||
/       2/x\\ |             \2/|
|1 + tan |-||*|-1 + -----------|
\        \2// |            2/x\|
              |     1 + tan |-||
              \             \2//
$$\frac{2 \tan{\left(\frac{x}{2} \right)}}{\left(\frac{1 - \tan^{2}{\left(\frac{x}{2} \right)}}{\tan^{2}{\left(\frac{x}{2} \right)} + 1} - 1\right) \left(\tan^{2}{\left(\frac{x}{2} \right)} + 1\right)}$$
            1            
-------------------------
/       1   \    /    pi\
|-1 + ------|*sec|x - --|
\     sec(x)/    \    2 /
$$\frac{1}{\left(-1 + \frac{1}{\sec{\left(x \right)}}\right) \sec{\left(x - \frac{\pi}{2} \right)}}$$
   /    pi\
cos|x - --|
   \    2 /
-----------
-1 + cos(x)
$$\frac{\cos{\left(x - \frac{\pi}{2} \right)}}{\cos{\left(x \right)} - 1}$$
         1          
--------------------
/       1   \       
|-1 + ------|*csc(x)
\     sec(x)/       
$$\frac{1}{\left(-1 + \frac{1}{\sec{\left(x \right)}}\right) \csc{\left(x \right)}}$$
1/((-1 + 1/sec(x))*csc(x))