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Solving integrals/ cos(7x)*cos(pi*x)

Integral of cos(7x)*cos(pi*x) dx

Limits of integration:

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v

The graph:

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Piecewise:

The solution

You have entered [src] 
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 |  cos(7*x)*cos(pi*x) dx
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$$\int\limits_{0}^{1} \cos{\left(7 x \right)} \cos{\left(\pi x \right)}\, dx$$ 
Integral(cos(7*x)*cos(pi*x), (x, 0, 1))
The graph
Plot the graph f(x)
The answer [src] 
 7*sin(7)
---------
        2
-49 + pi
$$\frac{7 \sin{\left(7 \right)}}{-49 + \pi^{2}}$$ 
=
= 
 7*sin(7)
---------
        2
-49 + pi
$$\frac{7 \sin{\left(7 \right)}}{-49 + \pi^{2}}$$ 
7*sin(7)/(-49 + pi^2)
Numerical answer [src] 
-0.11752772034739
-0.11752772034739

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

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