The set of angles between 0 and `2pi` satisfying the equation `4 cos^2 theta-2sqrt2 cos theta-1=0` is

The set of angles between 0 and 2 pi satisfying the equation 4cos^(2)theta-2sqrt(2)cos theta-1=0 is

There exists a value of theta between 0 and 2pi that satisfies the equation sin^4theta-2sin^2theta-1=0

The value of theta lying between 0 and pi/2 and satisfying the equation |(1+cos^2theta, sin^2theta, 4sin4theta),(cos^2theta, 1+sin^2theta, 4sin4theta),(cos^2theta, sin^2theta, 1+4sin4theta)|=0 is (are) (A) (7pi)/24 (B) (3pi)/8 (C) (11pi)/24 (D) (7pi)/12

The value of theta lying between 0 and pi/2 and satisfying the equation |(1+cos^2theta, sin^2theta, 4sin4theta),(cos^2theta, 1+sin^2theta, 4sin4theta)(cos^2theta, sin^2theta, 1+4sin4theta)|=0 is (are)

The smallest positive angle theta satisfying the equation sin^(2) theta - 2 cos theta + (1//4) = 0 is

Find the values of theta between 0^(@) and 360^(@) which satisfy the equation 3 cos 2 theta - sin theta = 2.

Find all the numbers between 0 and 2 pi , which satisfy the equation 2 sin^2 theta= 3 cos theta .

Find the acute angle theta satisfying the equation 2sin^(2)theta-2sqrt2sintheta+1=0.

The number of values of theta in [0,2 pi] satisfying the equation 2sin^(2)theta=4+3cos theta are