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

Limits of integration:

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Piecewise:

The solution

You have entered [src]
  0              
  /              
 |               
 |      1        
 |  ---------- dx
 |    ________   
 |  \/ cos(x)    
 |               
/                
pi               
--               
4                
$$\int\limits_{\frac{\pi}{4}}^{0} \frac{1}{\sqrt{\cos{\left(x \right)}}}\, dx$$
Integral(1/sqrt(cos(x)), (x, pi/4, 0))
The answer [src]
  0              
  /              
 |               
 |      1        
 |  ---------- dx
 |    ________   
 |  \/ cos(x)    
 |               
/                
pi               
--               
4                
$$\int\limits_{\frac{\pi}{4}}^{0} \frac{1}{\sqrt{\cos{\left(x \right)}}}\, dx$$
=
=
  0              
  /              
 |               
 |      1        
 |  ---------- dx
 |    ________   
 |  \/ cos(x)    
 |               
/                
pi               
--               
4                
$$\int\limits_{\frac{\pi}{4}}^{0} \frac{1}{\sqrt{\cos{\left(x \right)}}}\, dx$$
Integral(1/sqrt(cos(x)), (x, pi/4, 0))
Numerical answer [src]
-0.830896216180937
-0.830896216180937

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