関連ワード:  what is the integral of sin^2 theta    what is the integral of sin 2 theta    what is the antiderivative of sin 2 theta    what is the integral of sin 2 x    what is the integral of sin 2 x dx    what is the integration of 1 sin 2 theta    what is the integral of sin 2 theta d theta    integral of sin squared theta    what is the integral of sin squared x    what is the antiderivative of sin 2 x