Mister Exam

Other calculators


(1/(cos(x/2))^(2))

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

Limits of integration:

from to
v

The graph:

from to

Piecewise:

The solution

You have entered [src]
 pi             
 --             
 2              
  /             
 |              
 |       1      
 |  1*------- dx
 |       2/x\   
 |    cos |-|   
 |        \2/   
 |              
/               
pi              
--              
3               
π3π211cos2(x2)dx\int\limits_{\frac{\pi}{3}}^{\frac{\pi}{2}} 1 \cdot \frac{1}{\cos^{2}{\left(\frac{x}{2} \right)}}\, dx
Integral(1/cos(x/2)^2, (x, pi/3, pi/2))
The answer (Indefinite) [src]
  /                        /x\
 |                    2*sin|-|
 |      1                  \2/
 | 1*------- dx = C + --------
 |      2/x\              /x\ 
 |   cos |-|           cos|-| 
 |       \2/              \2/ 
 |                            
/                             
11cos2(x2)dx=C+2sin(x2)cos(x2)\int 1 \cdot \frac{1}{\cos^{2}{\left(\frac{x}{2} \right)}}\, dx = C + \frac{2 \sin{\left(\frac{x}{2} \right)}}{\cos{\left(\frac{x}{2} \right)}}
The graph
1.051.101.151.201.251.301.351.401.451.501.551.03.0
The answer [src]
        ___
    2*\/ 3 
2 - -------
       3   
22332 - \frac{2 \sqrt{3}}{3}
=
=
        ___
    2*\/ 3 
2 - -------
       3   
22332 - \frac{2 \sqrt{3}}{3}
Numerical answer [src]
0.845299461620748
0.845299461620748
The graph
Integral of (1/(cos(x/2))^(2)) dx

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