For what value of θ, 1 lies between the roots of the quadratic equat – McqOptions

MCQOPTIONS

1.	For what value of θ, 1 lies between the roots of the quadratic equation 3x2 – 3sinθ x – 2cos2θ = 0?
A.	2nπ + π/6 < θ < 2nπ + 5π/6
B.	2nπ + π/3 < θ < 2nπ + 5π/3
C.	2nπ + π/6 ≤ θ ≤ 2nπ + 5π/6
D.	2nπ + π/3 ≤ θ ≤ 2nπ + 5π/3
Answer» B. 2nπ + π/3 < θ < 2nπ + 5π/3

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