関連ワード:
integration of x cos 2x sin 4x dx integration of cos 2 x sin 4x dx integral cos 2 x sin 4 x dx integrate sin 2 x * cos 4 x dx from 0 to 2pi integrate sin 2 x * cos 4 x dx from 0 to pi integration of sin 2x cos 4x sin 2 x 2 dx integration of sin x cos x cos 2x cos 4x cos 8x dx what is the integral of cos^2x what's the integral of cos^2x
