In `(0, 2pi)`, the number of solutions of `cos2theta=sintheta` are

In (0, 4pi) , the number of solutions of 2sin^(2)theta=cos2theta are

In (0, 3pi) , the number of solutions of 2sin^(2)theta+5sintheta-3=0 are

The number of solutions of cos 2 theta = sin theta in (0, 2pi) is

The number of solution of cos 2 theta = sin theta in (0, 2 pi) is

Find the number of solution of the equation (2sintheta-sin3theta)/(1+costheta)+(3costheta+cos3theta)/(1-sintheta)=4sqrt(2)cos(theta+(pi)/(4)) in the interval (-10pi,8pi].

The number of solutions of equation 3cos2 theta+5cos theta=1 in [0,2 pi] is