Question

Tolong bantu jawab ya,,, plisss

Answer 1

∫ 8 sin 5x cos 3x dx
= 4 ∫ 2 sin 5x cos 3x dx
= 4 ∫  sin 8x + sin 2x dx
= 4 [ -1/8 cos 8x - 1/2 cos 2x] + c
=  - 1/2 cos 8x - 2 cos 2x + c