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How to use it?
Integral of d{x}:
Integral of ((1-x)/(1+x))^(1/2)
Integral of 1/6x
Integral of x^3(e^x^2)
Integral of ln(cos(1/x))/x
Identical expressions
ln(cos(one /x))/x
ln( co sinus of e of (1 divide by x)) divide by x
ln( co sinus of e of (one divide by x)) divide by x
lncos1/x/x
ln(cos(1 divide by x)) divide by x
ln(cos(1/x))/xdx

Solving integrals/ ln(cos(1/x))/x

Integral of ln(cos(1/x))/x dx

The solution

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 oo               
  /               
 |                
 |     /   /1\\   
 |  log|cos|-||   
 |     \   \x//   
 |  ----------- dx
 |       x        
 |                
/                 
1

$$\int\limits_{1}^{\infty} \frac{\log{\left(\cos{\left(\frac{1}{x} \right)} \right)}}{x}\, dx$$

Integral(log(cos(1/x))/x, (x, 1, oo))

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