cos theta + root 3 sin theta equal to 1 This question has not been answered yet! Don't worry! You can check out similar questions with solutions below solve sin theta + cos theta = root 2 if sin theta+cos theta + root 3, then prove that tan theta+ ... prove this- (1/cos 20) - (root 3/sin 20)=-4 if sin theta +cos theta = root 2 sin ( 90 - theta). prove ... Integral of (sin x + cos x) / (root of sin 2x)