Simplify the Expression $\cot x \sin x - \sin \left( \frac { \pi } { 2 } - x \right) + \cos x$

Multiple Choice

Simplify the expression.
- $\cot x \sin x - \sin \left( \frac { \pi } { 2 } - x \right) + \cos x$

A) $\sin x$
B) $2 \sin x$
C) $2 \cos x$
D) $\cos x$