Evaluate Without Using a Calculator $\cot \gamma$ , If $\csc \gamma = - \frac { 10 } { 7 }$

Multiple Choice

Evaluate without using a calculator.
- $\cot \gamma$ , if $\csc \gamma = - \frac { 10 } { 7 }$ and $\cos \gamma < 0$

A) $\frac { \sqrt { 51 } } { 7 }$
B) $- \frac { \sqrt { 51 } } { 10 }$
C) $- \frac { 10 \sqrt { 51 } } { 51 }$
D) $- \frac { 7 \sqrt { 51 } } { 51 }$