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1/cos^2(3x)
Solving integrals/ 1/cos^2(3x)

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

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The solution

You have entered [src] 
  1               
  /               
 |                
 |        1       
 |  1*--------- dx
 |       2        
 |    cos (3*x)   
 |                
/                 
0
∫011⋅1cos⁡2(3x) dx\int\limits_{0}^{1} 1 \cdot \frac{1}{\cos^{2}{\left(3 x \right)}}\, dx 
Integral(1/cos(3*x)^2, (x, 0, 1))
The answer (Indefinite) [src] 
  /                               
 |                                
 |       1               sin(3*x) 
 | 1*--------- dx = C + ----------
 |      2               3*cos(3*x)
 |   cos (3*x)                    
 |                                
/
∫1⋅1cos⁡2(3x) dx=C+sin⁡(3x)3cos⁡(3x)\int 1 \cdot \frac{1}{\cos^{2}{\left(3 x \right)}}\, dx = C + \frac{\sin{\left(3 x \right)}}{3 \cos{\left(3 x \right)}}
Simplify
The graph
0.001.000.100.200.300.400.500.600.700.800.90-200000000200000000
Plot the graph f(x)
The answer [src] 
oo
∞\infty 
=
= 
oo
∞\infty
Упростить
Numerical answer [src] 
1606.32063557435
1606.32063557435
The graph
Integral of 1/cos^2(3x) dx

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

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