Use a Graph in a [ $$\left[ - 2 \pi , 2 \pi , \frac { \pi } { 2 } \right] \text { by } [ - 3,3,1 ]$$

Multiple Choice

Use a graph in a [ $$\left[ - 2 \pi , 2 \pi , \frac { \pi } { 2 } \right] \text { by } [ - 3,3,1 ]$$ 3, 3, 1] viewing rectangle to complete the identity.
- $\frac { 1 - 2 \cos 2 x } { 2 \sin x - 1 } =$ ?

A) $2 \sin x + 1$
B) $2 \cos x + 1$
C) $\sin x + 1$
D) $\cos x - 1$