If cos θ = – (1 / 2) and π < θ <3π, find the value of 4 tan2θ –3 cosec2θ

If cos θ = – (1 / 2) and π < θ <3π, find the value of 4 tan2θ �

1.	If cos θ = – (1 / 2) and π < θ <3π, find the value of 4 tan2θ –3 cosec2θ
A.	12
B.	8
C.	4
D.	2
Answer» C. 4