Mister Exam

Integral of sin(7x)cos(4x) dx

Limits of integration:

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The graph:

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Piecewise:

The solution

You have entered [src]
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01sin(7x)cos(4x)dx\int\limits_{0}^{1} \sin{\left(7 x \right)} \cos{\left(4 x \right)}\, dx
Integral(sin(7*x)*cos(4*x), (x, 0, 1))
The graph
0.001.000.100.200.300.400.500.600.700.800.901-1
The answer [src]
7    7*cos(4)*cos(7)   4*sin(4)*sin(7)
-- - --------------- - ---------------
33          33                33      
4sin(4)sin(7)337cos(4)cos(7)33+733- \frac{4 \sin{\left(4 \right)} \sin{\left(7 \right)}}{33} - \frac{7 \cos{\left(4 \right)} \cos{\left(7 \right)}}{33} + \frac{7}{33}
=
=
7    7*cos(4)*cos(7)   4*sin(4)*sin(7)
-- - --------------- - ---------------
33          33                33      
4sin(4)sin(7)337cos(4)cos(7)33+733- \frac{4 \sin{\left(4 \right)} \sin{\left(7 \right)}}{33} - \frac{7 \cos{\left(4 \right)} \cos{\left(7 \right)}}{33} + \frac{7}{33}
7/33 - 7*cos(4)*cos(7)/33 - 4*sin(4)*sin(7)/33
Numerical answer [src]
0.376918793464254
0.376918793464254
The graph
Integral of sin(7x)cos(4x) dx

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