関連ワード:  derivative of sin 2 x for x    derivative of sin 2 x cos x    derivative of sin x 2 x 3    derivative of sin x 2 x 1    differentiation of sin 2 x x    derivative of sin 2 x cos 2 x 1    derivative of sin x 2 e x    derivative of sin x^2 at x=root pi    derivative of sin x 2 at x 5    derivative of sin 2 x cos 3 x