関連ワード:  antiderivative of sin 2 x cos 2 x    integration of sin 2 x cos 2 x    integration of sin 2 x cos 2 x dx    integration of sin 2 x cos 2 x dx is equal to    the antiderivative of 1 / sin ^ 2x cos ^ 2 x is    integral of sin 2 x cos 2 2x    integral of sin 2 2x cos 2 2x    integration of 1 sin 2 x cos 2 x    integration of 1 sin 2 x cos 2 x dx    integration of 1 sin 2 x cos 2 x dx is equal to