関連ワード:  integration dx 2 sin 2 x    integration 1 2 sin 2 x    integration dx 3 2 sin 2 x    integrate 1 /( 2 sin 2 x dx    integration dx sin 2 cos 2 x    integration dx sin 2 x cos 2 x is equal to    integration 1 2 sin x cos 2 x    integration dx 2 sin 2 x 5 cos 2 x    integration pi 2 sin 2 x dx    integration dx 2 sin x 3 cos x 2