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Integral of cos(6x)/cos²(3x) dx

Limits of integration:

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The graph:

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Piecewise:

The solution

You have entered [src]
  1             
  /             
 |              
 |   cos(6*x)   
 |  --------- dx
 |     2        
 |  cos (3*x)   
 |              
/               
0               
$$\int\limits_{0}^{1} \frac{\cos{\left(6 x \right)}}{\cos^{2}{\left(3 x \right)}}\, dx$$
Integral(cos(6*x)/(cos(3*x)^2), (x, 0, 1))
Numerical answer [src]
-1604.32063557435
-1604.32063557435

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