関連ワード:
integration of x 3 sin 3x dx integration of x 3 sin x dx integration of x 3 sin nx dx integration of x 3 sin 4x dx integration of x 3 sin 2x dx integration of x 3 sin x 2 dx integration of x 3 sin x 4 dx what is the integral of sin^3x use integration by parts to find x sin 3x dx integration of sin^3x cos^2x
