pi -- 2 / | | 5 | cos (x)*sin(2*x) dx | / 0
Integral(cos(x)^5*sin(2*x), (x, 0, pi/2))
/ | 7 | 5 2*cos (x) | cos (x)*sin(2*x) dx = C - --------- | 7 /
0.285714285714286
Use the examples entering the upper and lower limits of integration.