pi / | | 3 | -sin(t)*sin (t) dt | / 0
/ | 4 4 3 3 2 2 | 3 3*t*cos (t) 3*t*sin (t) 3*cos (t)*sin(t) 5*sin (t)*cos(t) 3*t*cos (t)*sin (t) | -sin(t)*sin (t) dt = C - ----------- - ----------- + ---------------- + ---------------- - ------------------- | 8 8 8 8 4 /
Use the examples entering the upper and lower limits of integration.