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Solving integrals/ Cosx2xdx

Integral of Cosx2xdx dx

Limits of integration:

from to
v

The graph:

from to

Piecewise:

The solution

You have entered [src] 
 pi              
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 4               
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 |  cos(x)*2*x dx
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/                
0
$$\int\limits_{0}^{\frac{\pi}{4}} x 2 \cos{\left(x \right)}\, dx$$ 
Integral((cos(x)*2)*x, (x, 0, pi/4))
The answer (Indefinite) [src] 
  /                                         
 |                                          
 | cos(x)*2*x dx = C + 2*cos(x) + 2*x*sin(x)
 |                                          
/
$$\int x 2 \cos{\left(x \right)}\, dx = C + 2 x \sin{\left(x \right)} + 2 \cos{\left(x \right)}$$
Simplify
The graph
Plot the graph f(x)
The answer [src] 
                  ___
       ___   pi*\/ 2 
-2 + \/ 2  + --------
                4
$$-2 + \frac{\sqrt{2} \pi}{4} + \sqrt{2}$$ 
=
= 
                  ___
       ___   pi*\/ 2 
-2 + \/ 2  + --------
                4
$$-2 + \frac{\sqrt{2} \pi}{4} + \sqrt{2}$$ 
-2 + sqrt(2) + pi*sqrt(2)/4
Numerical answer [src] 
0.524934296912687
0.524934296912687

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

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