Complete the Identity $\frac { ( \csc x + 1 ) ( \csc x - 1 ) } { \cot ^ { 2 } x } = ?$

Multiple Choice

Complete the identity.
- $\frac { ( \csc x + 1 ) ( \csc x - 1 ) } { \cot ^ { 2 } x } = ?$

A) 1
B) 2
C) $- 1$
D) 0 ) 0