Integral of sin(7x)cos(5x) dx
The solution
The graph
7 7*cos(5)*cos(7) 5*sin(5)*sin(7)
-- - --------------- - ---------------
24 24 24
−247cos(5)cos(7)−245sin(5)sin(7)+247
=
7 7*cos(5)*cos(7) 5*sin(5)*sin(7)
-- - --------------- - ---------------
24 24 24
−247cos(5)cos(7)−245sin(5)sin(7)+247
7/24 - 7*cos(5)*cos(7)/24 - 5*sin(5)*sin(7)/24
Use the examples entering the upper and lower limits of integration.