The solution set of `sin 2theta - cos 2theta - sin theta + cos theta = 0` is

The solution set of sin 3theta + cos 2theta = 0 iss

The solution of sin 2 theta + cos 2theta + sin theta + cos theta + 1 =0 in the first quadrant is

The solution set of sin3 theta+cos2 theta=-2 is

Solve the equations: sin 2theta - cos 2 theta - sin theta + cos theta = 0

The solution set of cos 2 theta = 2 sin^(2)theta is

The solution set of cos2theta=cos^(2)theta-sin^(2)theta is …………

If 0 lt theta lt pi/2 , the solution of the equation sin theta - 3 sin 2 theta + sin 3 theta = cos theta - 3 cos 2 theta + cos 3 theta is

(cos theta + sin theta )/( cos theta - sin theta )-(cos theta - sin theta )/( cos theta + sin theta ) =

(sin theta-cos theta)^(2)*(sin theta+cos theta)^(2)=