Find the Exact Value Without Using a Calculator $$\tan \frac { - 5 \pi } { 6 }$$

Multiple Choice

Find the exact value without using a calculator.
- $$\tan \frac { - 5 \pi } { 6 }$$

A) $- \sqrt { 3 }$
B) $\sqrt { 3 }$
C) $\frac { \sqrt { 3 } } { 2 }$
D) $\frac { \sqrt { } } { 3 }$