Sin theta + sin 2theta + sin 3theta =sin alpha and cos theta + cos 2theta + cos 3theta= cos alpha, then theta is equal to
, the solution set of equation 4sin theta into cos theta - 2 cos theta minus 2 root 3 sin theta + root 3 is equal to zero in the interval 0 to 2 pie is
The solution set of the equation 4sinθ−2cosθ−2√3sinθ+√3=0 in the interval (0,2π) is-