Simplify the Expression $$\frac { 1 } { 1 - \cos x } + \frac { 1 } { 1 + \cos x }$$

Multiple Choice

Simplify the expression.
- $$\frac { 1 } { 1 - \cos x } + \frac { 1 } { 1 + \cos x }$$

A) $\csc ^ { 2 } x$
B) $2 \sec 2 x$
C) $2 \csc ^ { 2 } x$
D) $2 \csc x$