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Integral of 1/cos^2(x((3tgx)+1)) dx

Limits of integration:

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The solution

You have entered [src]
  1                          
  /                          
 |                           
 |            1              
 |  ---------------------- dx
 |     2                     
 |  cos (x*(3*tan(x) + 1))   
 |                           
/                            
0                            
$$\int\limits_{0}^{1} \frac{1}{\cos^{2}{\left(x \left(3 \tan{\left(x \right)} + 1\right) \right)}}\, dx$$
Integral(1/(cos(x*(3*tan(x) + 1))^2), (x, 0, 1))
Numerical answer [src]
133.756388820147
133.756388820147

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