Hasil, dari, integral, sin pangkt 2x cos x. Dx

∫sin ²x cos x dx

mis u = sin x
du/dx= -cos x
dx =du/( -cos x)

=∫(u)² cos x. du/ (-cos x )
=-1 ∫(u)² du
=-1 × 1/3 (u) ³ +c
= -1/3 sin³x +c