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Solving integrals/ sqrt(cosx-cos^3x)

Integral of sqrt(cosx-cos^3x) dx

Limits of integration:

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The graph:

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Piecewise:

The solution

You have entered [src] 
  pi                         
  --                         
  2                          
   /                         
  |                          
  |     __________________   
  |    /             3       
  |  \/  cos(x) - cos (x)  dx
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 /                           
-pi                          
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 2
$$\int\limits_{- \frac{\pi}{2}}^{\frac{\pi}{2}} \sqrt{- \cos^{3}{\left(x \right)} + \cos{\left(x \right)}}\, dx$$ 
Integral(sqrt(cos(x) - cos(x)^3), (x, -pi/2, pi/2))
Numerical answer [src] 
1.33308557798703
1.33308557798703

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

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