Solve the equation `2cos^2theta+3sintheta=0`

Solve the equation 2cos^(2)theta+3sin theta=0

Solve the equation 3-2cos theta-4sin theta-cos2 theta+sin2 theta=0

Solve the equation: sin2theta+cos3theta=0

Solve 2cos^(2)theta + 3sin theta=0

The general value of theta satisfying the equation 2sin^(2)theta-3sintheta-2=0 is

Solve that following equations: 2cos^(2)theta+3sin theta=0

Solve that equation: cos theta+cos3 theta-2cos2 theta=0

Solve the equation : cos^(2)theta=cos^(2)alpha

If theta_(1) and theta_(2) be respectively the smallest and the largest values of theta in (0, 2pi)-(pi) which satisfy the equation, 2cot^(2)theta-(5)/(sintheta)+4=0 , then int_(theta_(1))^(theta_(2))cos^(2)3thetad theta is equal to :

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