Integral of sin7xcos3x dx
The solution
The graph
7 7*cos(3)*cos(7) 3*sin(3)*sin(7)
-- - --------------- - ---------------
40 40 40
−403sin(3)sin(7)−407cos(3)cos(7)+407
=
7 7*cos(3)*cos(7) 3*sin(3)*sin(7)
-- - --------------- - ---------------
40 40 40
−403sin(3)sin(7)−407cos(3)cos(7)+407
7/40 - 7*cos(3)*cos(7)/40 - 3*sin(3)*sin(7)/40
Use the examples entering the upper and lower limits of integration.