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

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

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

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

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

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

One value of theta which satisfies the equation sin^(4)theta-2sin^(2)theta-1 lies between 0and2pi .

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

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

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

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