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sin(7x)sin(9x)
Solving integrals/ sin(7x)sin(9x)

Integral of sin(7x)sin(9x) dx

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The solution

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 |  sin(7*x)*sin(9*x) dx
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$$\int\limits_{0}^{1} \sin{\left(7 x \right)} \sin{\left(9 x \right)}\, dx$$ 
Integral(sin(7*x)*sin(9*x), (x, 0, 1))
The graph
Plot the graph f(x)
The answer [src] 
  9*cos(9)*sin(7)   7*cos(7)*sin(9)
- --------------- + ---------------
         32                32
$$\frac{7 \sin{\left(9 \right)} \cos{\left(7 \right)}}{32} - \frac{9 \sin{\left(7 \right)} \cos{\left(9 \right)}}{32}$$ 
=
= 
  9*cos(9)*sin(7)   7*cos(7)*sin(9)
- --------------- + ---------------
         32                32
$$\frac{7 \sin{\left(9 \right)} \cos{\left(7 \right)}}{32} - \frac{9 \sin{\left(7 \right)} \cos{\left(9 \right)}}{32}$$ 
-9*cos(9)*sin(7)/32 + 7*cos(7)*sin(9)/32
Numerical answer [src] 
0.236321335352204
0.236321335352204
The graph
Integral of sin(7x)sin(9x) dx

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

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