Jawabanmu

2014-08-16T14:29:07+07:00
Br nemu waz,
√x = u

du/dx = 1/(2√x)
dx = (2√x) du

Integral sin √x / √x dx = integral sin u . 2√x . du / √x
= 2 integral sin u du
= -2 cos u + C
= -2 cos √x + C