Jawabanmu

2014-08-13T19:50:04+07:00
1/2integral2 sin 5x cos 2x dx
1/2integral(sin7x + sin 3x) dx
1/2 (-1/7 cos 7x - 1/3 cos 3x + c
-1/4 cos 7x-1/6 cos 3x + c