Jawabanmu

2014-08-17T12:32:22+07:00
Int ( 3 - 6 ( 1/2 - 1/2 cos x) = int ( 3 - 3 + 3 cos x) = int 3 cos x = 3 sin x +c

int ( 1/2 sin ( x - 2phi ) + 1/2 sin (0) ) = - 1/2 cos (x - 2phi) +c