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