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Solving integrals/ (2tgx)/(cosx)^2

Integral of (2tgx)/(cosx)^2 dx

Limits of integration:

from to
v

The graph:

from to

Piecewise:

The solution

You have entered [src] 
 pi            
 --            
 4             
  /            
 |             
 |  2*tan(x)   
 |  -------- dx
 |     2       
 |  cos (x)    
 |             
/              
0
$$\int\limits_{0}^{\frac{\pi}{4}} \frac{2 \tan{\left(x \right)}}{\cos^{2}{\left(x \right)}}\, dx$$ 
Integral((2*tan(x))/cos(x)^2, (x, 0, pi/4))
The answer (Indefinite) [src] 
  /                         
 |                          
 | 2*tan(x)             1   
 | -------- dx = C + -------
 |    2                 2   
 | cos (x)           cos (x)
 |                          
/
$$\int \frac{2 \tan{\left(x \right)}}{\cos^{2}{\left(x \right)}}\, dx = C + \frac{1}{\cos^{2}{\left(x \right)}}$$
Simplify
The graph
Plot the graph f(x)
The answer [src] 
1
$$1$$ 
=
= 
1
$$1$$ 
1
Numerical answer [src] 
1.0
1.0

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

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