The set of angles between `0` and `2pi` satisfying the equation `4cos^2theta-2sqrt2costheta-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

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

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+sin^2theta,cos^2theta,4sin4theta] , [sin^2theta,1+cos^2theta,4sin4theta] , [sin^2theta,cos^2theta,1+4sin4theta]|=0 (A) (7pi)/24 or (11pi)/24 (B) (5pi)/24 (C) pi/24 (D) none

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

Find all values of theta lying between 0 and 2 pi satisfying the equation r sin theta=sqrt(3) and r+4sin theta=2(sqrt(3)+1)

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

There exist a value of theta between 0 and 2pi that satisfies the equaition sin^(4) theta-2sin^(2) theta+ 1=0