Determine the Answer That Establishes an Identity $\csc ^ { 2 } A + \sec ^ { 2 } A = ?$

Multiple Choice

Determine the answer that establishes an identity. $\csc ^ { 2 } A + \sec ^ { 2 } A = ?$

A) $\csc A \sec A$
B) $\frac { \cos A } { 1 - \tan A } - \frac { \sin A } { \cot A - 1 }$
C) $\frac { \cos A } { 1 + \tan A } - \frac { \sin A } { \cot A + 1 }$
D) $\csc ^ { 2 } A \sec ^ { 2 } A$
E) $\frac { \cos A } { 1 - \tan A } + \frac { \sin A } { \cot A - 1 }$