関連ワード:  integration of sin 2 x cos 2x    integration of sin 2 x cos 2    integration of sin 2 x 1 cos 2x    integration of sin 2 x cos 2x dx    integration of dx sin 2 x cos 2    integration of sin 2 x cos 2 x dx is equal to    integration of sin 2 theta cos 2 theta    dy dx of sin 2 x cos 2 y 1    antiderivative of sin 2 x cos 2 x    integration of sin 2 2x cos 2x