関連ワード:  integration of sin 2 x cos 2x dx    integration of sin 2 x 1 cos 2x dx    integration of sin x cos 2x dx    integration of sin 2 x cos 4x dx    integration of sin 2 x cos x dx    integration of sin 2 x cos 5x dx    integration of sin square x cos 2x dx    integration of sin x 1 cos 2x dx    integration of 2 sin x cos x dx is equal to    integration of sin 2 x cos 3 x dx