Find an Antiderivative of the Given Function $2 \csc 9 x \cot 9 x$

Multiple Choice

Find an antiderivative of the given function.
- $2 \csc 9 x \cot 9 x$

A) $- 2 \csc 9 x$
B) $- \frac { 2 } { 9 } \csc 9 x$
C) $- \frac { 2 } { 9 } \cot 9 x$
D) $\frac { 2 } { 9 } \csc 9 x$