The solution set of `(5+4 cos theta) (2 cos theta + 1) =0` in the interval `[0, 2pi]` is

The solution set of (5 + 4 cos theta)(2 cos theta + 1) = 0 in the interval [0, 2 pi ] is

The solution set of (5+4cos theta)(2cos theta+1)=0 in the interval [0,2 pi] is

The solution set of (5+4 cos theta) (2 cos theta+1) =0 in the interval 0 le theta le pi is-

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

Write the solution set of the equation (2cos theta+1)(4cos theta+5)=0 in the interval [0,2 pi]

Solution set of equation 2 sin^(2) theta = 3 cos theta in the interval [0, 2 pi] is

The number of solutions of the pair of equations: 2 sin^2 theta- cos 2 theta = 0, 2 cos^2 theta - 3 sin theta=0 in the interval [0, 2 pi] is :