Solve the Problem $\left( 8 , \frac { \pi } { 6 } \right) , r > 0$

Multiple Choice

Solve the problem.
- $\left( 8 , \frac { \pi } { 6 } \right) , r > 0$ and $- 2 \pi < \theta < 0$

A) $\left( 8 , - \frac { 11 } { 6 } \pi \right]$
B) $\left( 8 , \frac { 13 } { 6 } \pi \right)$
C) $\left( 8 , - \frac { 5 } { 6 } \pi \right)$
D) $\left( 8 , \frac { 7 } { 6 } \pi \right)$