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Solving integrals/ cos^(-2)x

Integral of cos^(-2)x dx

Limits of integration:

from to
v

The graph:

from to

Piecewise:

The solution

You have entered [src] 
 -pi           
 ----          
  4            
   /           
  |            
  |     1      
  |  ------- dx
  |     2      
  |  cos (x)   
  |            
 /             
 pi            
 --            
 4
$$\int\limits_{\frac{\pi}{4}}^{- \frac{\pi}{4}} \frac{1}{\cos^{2}{\left(x \right)}}\, dx$$ 
Integral(cos(x)^(-2), (x, pi/4, -pi/4))
The answer (Indefinite) [src] 
  /                       
 |                        
 |    1             sin(x)
 | ------- dx = C + ------
 |    2             cos(x)
 | cos (x)                
 |                        
/
$$\int \frac{1}{\cos^{2}{\left(x \right)}}\, dx = C + \frac{\sin{\left(x \right)}}{\cos{\left(x \right)}}$$
Simplify
The graph
Plot the graph f(x)
The answer [src] 
-2
$$-2$$ 
=
= 
-2
$$-2$$ 
-2
Numerical answer [src] 
-2.0
-2.0

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

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