cos^(2)theta+sin theta+1=0" lies in the interval,"

The solution of the equation cos^(2)theta+sintheta+1=0 lies in the interval

The solution of the equation cos^2theta+sintheta+1=0 lies in the interval

The solution of the equation cos^2theta+sintheta+1=0 lies in the interval

The solution of the equation cos^2theta+sintheta+1=0 lies in the interval:

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

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 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 :