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Integral of sqrt((1+cos(2x))/2) dx

Limits of integration:

from to
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The graph:

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Piecewise:

The solution

You have entered [src]
 pi                      
  /                      
 |                       
 |      ______________   
 |     / 1 + cos(2*x)    
 |    /  ------------  dx
 |  \/        2          
 |                       
/                        
0                        
$$\int\limits_{0}^{\pi} \sqrt{\frac{\cos{\left(2 x \right)} + 1}{2}}\, dx$$
Integral(sqrt((1 + cos(2*x))/2), (x, 0, pi))
Numerical answer [src]
1.99975225386381
1.99975225386381

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