Use an Identity to Write the Expression as a Single $\sin ^ { 2 } x + \sin ^ { 2 } x \cot ^ { 2 } x$

Multiple Choice

Use an identity to write the expression as a single trigonometric function or as a single number.
- $\sin ^ { 2 } x + \sin ^ { 2 } x \cot ^ { 2 } x$

A) $\cot ^ { 2 } x - 1$
B) $\sin ^ { 2 } x + 1$
C) 1
D) $\cot ^ { 2 } x + 1$