Simplify the Expression $$\frac { \csc ^ { 2 } x \sec x } { \sec ^ { 2 } x + \csc ^ { 2 } x }$$

Multiple Choice

Simplify the expression.
- $$\frac { \csc ^ { 2 } x \sec x } { \sec ^ { 2 } x + \csc ^ { 2 } x }$$

A) $\cot x$
B) $\sec x$
C) $\cos x$
D) $\sin x$