関連ワード:  integration 0 to pi 1 cos 2x 2    integration 0 to pi 1 cos 2x 2 dx    integration of 0 to pi 2 sin x 1 cos 2 x dx    integration of 0 to pi 2 sin x 1 cos 2 x    integration of 0 to pi 4x 1 cos 2x sin 2x    integral 0 to pi 2 xsinx 1 cos 2x    integration of 0 to pi 4 x dx 1 cos 2x sin 2x    integration of 0 to pi 2 1 1 cos x dx    integration of 0 to pi 2 1 1 cos x    integration of 0 to pi 2 sin x cos x 2 1 sin 2x