There exists a value of theta between `0 and 2pi` which sastisfies the equation `sin^4theta-2sin^2theta-1=0`. (True/False)

One value of theta which satisfies the equation sin^(4)theta-2sin^(2)theta-1 lies between 0 and 2pi .

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

Find the values of theta between 0^(@) and 360^(@) which satisfy the equations sin^(2)theta=(3)/(4)

The number of values of theta in [0, 2pi] that satisfies the equation sin^(2)theta - cos theta = (1)/(4)

If alpha , beta are two different values of theta lying between 0 and 2pi which satisfy the equation 6 cos theta + 8 sin theta=9, find the value of sin ( alpha + beta).

If alpha and beta are two different values of theta lying between 0 and 2pi which satisfy the equations 6costheta+8sin theta=9 , find the value of sin2(alpha+beta) .

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)

Find all value of theta , between 0 & pi , which satisfy the equation; cos theta * cos 2 theta * cos 3theta = 1/4 .

Writhe the number of values of theta\ in\ [0,2pi] thast satisfy the equation sin^2theta-costheta=1/4dot

The number of values of thetain[0,2pi] that satisfy the equation sin^2theta-costheta=1/4