Integrate x 3 * cos x 4 2 dx July 8, 2019 16 32 64 128 Integrate x 3 cos x 2 1 2 sqrt 4 x 2 dx Integrate sin x 3 4 cos 2 x dx Integrate 2 cos x 3 sin x 6 cos x 4 sin x dx Integrate x 3 * cos x 2 1 2 * sqrt 4 x 2 dx from 2 to 2 answer Integration of cos x dx