Integral of sin(8x)cos(6x) dx
The solution
The graph
2 3*sin(6)*sin(8) 2*cos(6)*cos(8)
- - --------------- - ---------------
7 14 7
−72cos(6)cos(8)−143sin(6)sin(8)+72
=
2 3*sin(6)*sin(8) 2*cos(6)*cos(8)
- - --------------- - ---------------
7 14 7
−72cos(6)cos(8)−143sin(6)sin(8)+72
2/7 - 3*sin(6)*sin(8)/14 - 2*cos(6)*cos(8)/7
Use the examples entering the upper and lower limits of integration.