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Integral of sin(x)/(1+sinx)^2 dx

Limits of integration:

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The graph:

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Piecewise:

The solution

You have entered [src]
 pi                 
 --                 
 2                  
  /                 
 |                  
 |      sin(x)      
 |  ------------- dx
 |              2   
 |  (1 + sin(x))    
 |                  
/                   
0                   
$$\int\limits_{0}^{\frac{\pi}{2}} \frac{\sin{\left(x \right)}}{\left(\sin{\left(x \right)} + 1\right)^{2}}\, dx$$
Integral(sin(x)/(1 + sin(x))^2, (x, 0, pi/2))
The answer (Indefinite) [src]
  /                                                                                 /x\              
 |                                                                             6*tan|-|              
 |     sin(x)                              2                                        \2/              
 | ------------- dx = C - ------------------------------------ - ------------------------------------
 |             2                   3/x\        2/x\        /x\            3/x\        2/x\        /x\
 | (1 + sin(x))           3 + 3*tan |-| + 9*tan |-| + 9*tan|-|   3 + 3*tan |-| + 9*tan |-| + 9*tan|-|
 |                                  \2/         \2/        \2/             \2/         \2/        \2/
/                                                                                                    
$$\int \frac{\sin{\left(x \right)}}{\left(\sin{\left(x \right)} + 1\right)^{2}}\, dx = C - \frac{6 \tan{\left(\frac{x}{2} \right)}}{3 \tan^{3}{\left(\frac{x}{2} \right)} + 9 \tan^{2}{\left(\frac{x}{2} \right)} + 9 \tan{\left(\frac{x}{2} \right)} + 3} - \frac{2}{3 \tan^{3}{\left(\frac{x}{2} \right)} + 9 \tan^{2}{\left(\frac{x}{2} \right)} + 9 \tan{\left(\frac{x}{2} \right)} + 3}$$
The graph
The answer [src]
1/3
$$\frac{1}{3}$$
=
=
1/3
$$\frac{1}{3}$$
1/3
Numerical answer [src]
0.333333333333333
0.333333333333333

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