The number of solution of the pair of equations `2sin^2theta-cos2theta=0a n d2cos^2theta=0` in the interval `[0,2pi]` is 0 (b) 1 (c) 2 (d) 4

The number of solution of the pair of equations 2sin^(2)theta-cos2 theta=0and2cos^(2)theta-3sin theta=0 in the interval [0,2 pi] is 0 (b) 1 (c) 2 (d) 4

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

The number of solution of the equation sin theta cos theta cos 2 theta .cos 4theta =1/2 in the interval [0,pi]

The number of solutions of the equation sin 2 theta-2 cos theta +4 sin theta=4 in [0, 5pi] is equal to

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

The number of solutions of the equation 2tan^(2)theta-7sec theta-2=0 in the interval [0,6 pi] is

The number of solutions of the equation (log_(2)cos theta)^(2)+log.(4)/(cos theta) (16 cos theta)=2 in the interval [0, 2pi) is