Integration of sin[2x]sin[x] - The Student Room
integration of sin2xsinx = 2sinXcosXsinX 2sin^2 X cosX let u = sin^2 X v' = cosX u' = sin2x v= sinX integration of sinXsin2X = sinX sin^2 X - integrate of sinX sin2X 2 * integration of sinXsin2x = sin^3 X integration of sinXsin2X = 1/2 (sin^3 X) understan...