1.

If 2 cos2 θ = 3 sin θ, 0° < θ < 90°, then the value of \(\left(\dfrac{1}{2} \rm cosec^2 \ \theta - \cot^2 \theta \right)\) is:

A. \(\dfrac{1}{4}\)
B. \(\dfrac{1}{2}\)
C. 0
D. -1
Answer» E.


Discussion

No Comment Found