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¿Cómo vas a descomponer esta cos(90*pi/(360+x)) expresión en fracciones?

Expresión a simplificar:

Solución

Ha introducido [src]
   / 90*pi \
cos|-------|
   \360 + x/
$$\cos{\left(\frac{90 \pi}{x + 360} \right)}$$
cos((90*pi)/(360 + x))
Respuesta numérica [src]
cos((90*pi)/(360 + x))
cos((90*pi)/(360 + x))
Parte trigonométrica [src]
        1        
-----------------
   /pi    90*pi \
csc|-- - -------|
   \2    360 + x/
$$\frac{1}{\csc{\left(\frac{\pi}{2} - \frac{90 \pi}{x + 360} \right)}}$$
       2/ 45*pi \
1 - tan |-------|
        \360 + x/
-----------------
       2/ 45*pi \
1 + tan |-------|
        \360 + x/
$$\frac{1 - \tan^{2}{\left(\frac{45 \pi}{x + 360} \right)}}{\tan^{2}{\left(\frac{45 \pi}{x + 360} \right)} + 1}$$
     1      
------------
   / 90*pi \
sec|-------|
   \360 + x/
$$\frac{1}{\sec{\left(\frac{90 \pi}{x + 360} \right)}}$$
        2/ 45*pi \
-1 + cot |-------|
         \360 + x/
------------------
       2/ 45*pi \ 
1 + cot |-------| 
        \360 + x/ 
$$\frac{\cot^{2}{\left(\frac{45 \pi}{x + 360} \right)} - 1}{\cot^{2}{\left(\frac{45 \pi}{x + 360} \right)} + 1}$$
   /pi    90*pi \
sin|-- + -------|
   \2    360 + x/
$$\sin{\left(\frac{\pi}{2} + \frac{90 \pi}{x + 360} \right)}$$
sin(pi/2 + 90*pi/(360 + x))
Potencias [src]
 -90*pi*I    90*pi*I
 --------    -------
 360 + x     360 + x
e           e       
--------- + --------
    2          2    
$$\frac{e^{\frac{90 i \pi}{x + 360}}}{2} + \frac{e^{- \frac{90 i \pi}{x + 360}}}{2}$$
exp(-90*pi*i/(360 + x))/2 + exp(90*pi*i/(360 + x))/2