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Integral of xsin(x)/(1+cos(x))⁴ dx

Limits of integration:

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The graph:

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Piecewise:

The solution

You have entered [src]
 pi                 
 --                 
 2                  
  /                 
 |                  
 |     x*sin(x)     
 |  ------------- dx
 |              4   
 |  (1 + cos(x))    
 |                  
/                   
0                   
$$\int\limits_{0}^{\frac{\pi}{2}} \frac{x \sin{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right)^{4}}\, dx$$
Integral((x*sin(x))/(1 + cos(x))^4, (x, 0, pi/2))
The answer (Indefinite) [src]
  /                          /x\      3/x\      5/x\             2/x\        4/x\        6/x\
 |                        tan|-|   tan |-|   tan |-|        x*tan |-|   x*tan |-|   x*tan |-|
 |    x*sin(x)               \2/       \2/       \2/   x          \2/         \2/         \2/
 | ------------- dx = C - ------ - ------- - ------- + -- + --------- + --------- + ---------
 |             4            12        18        60     24       8           8           24   
 | (1 + cos(x))                                                                              
 |                                                                                           
/                                                                                            
$$\int \frac{x \sin{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right)^{4}}\, dx = C + \frac{x \tan^{6}{\left(\frac{x}{2} \right)}}{24} + \frac{x \tan^{4}{\left(\frac{x}{2} \right)}}{8} + \frac{x \tan^{2}{\left(\frac{x}{2} \right)}}{8} + \frac{x}{24} - \frac{\tan^{5}{\left(\frac{x}{2} \right)}}{60} - \frac{\tan^{3}{\left(\frac{x}{2} \right)}}{18} - \frac{\tan{\left(\frac{x}{2} \right)}}{12}$$
The graph
The answer [src]
  7    pi
- -- + --
  45   6 
$$- \frac{7}{45} + \frac{\pi}{6}$$
=
=
  7    pi
- -- + --
  45   6 
$$- \frac{7}{45} + \frac{\pi}{6}$$
-7/45 + pi/6
Numerical answer [src]
0.368043220042743
0.368043220042743

    Use the examples entering the upper and lower limits of integration.