Mister Exam

Integral of sin7xcos3x dx

Limits of integration:

from to
v

The graph:

from to

Piecewise:

The solution

You have entered [src]
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01sin(7x)cos(3x)dx\int\limits_{0}^{1} \sin{\left(7 x \right)} \cos{\left(3 x \right)}\, dx
Integral(sin(7*x)*cos(3*x), (x, 0, 1))
The graph
0.001.000.100.200.300.400.500.600.700.800.902-2
The answer [src]
7    7*cos(3)*cos(7)   3*sin(3)*sin(7)
-- - --------------- - ---------------
40          40                40      
3sin(3)sin(7)407cos(3)cos(7)40+740- \frac{3 \sin{\left(3 \right)} \sin{\left(7 \right)}}{40} - \frac{7 \cos{\left(3 \right)} \cos{\left(7 \right)}}{40} + \frac{7}{40}
=
=
7    7*cos(3)*cos(7)   3*sin(3)*sin(7)
-- - --------------- - ---------------
40          40                40      
3sin(3)sin(7)407cos(3)cos(7)40+740- \frac{3 \sin{\left(3 \right)} \sin{\left(7 \right)}}{40} - \frac{7 \cos{\left(3 \right)} \cos{\left(7 \right)}}{40} + \frac{7}{40}
7/40 - 7*cos(3)*cos(7)/40 - 3*sin(3)*sin(7)/40
Numerical answer [src]
0.298659029061774
0.298659029061774
The graph
Integral of sin7xcos3x dx

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