関連ワード:
1 sin x 2 cos 2 x 2 1 sin theta 2 cos 2 theta 2 1 2 sin 2 x cos 2 x formula 1 sin 2 x 2 * 1 cos 2 x 3 sin 2 x 1 2 cos 2x )/ 2 integrate 2 cos x 1 sin x * 2 cos 2 x 1 2 r2 sin theta 2 cos theta 2 1 2 sin 2 theta cos 2 theta is equal to integral 2 cos x 1 sin x * 2 cos 2 x dx sin 2 theta 1 cos 2 theta 2 true or false
