Find the Exact Circular Function Value $$\tan \frac { 7 \pi } { 6 }$$

Multiple Choice

Find the exact circular function value.
- $$\tan \frac { 7 \pi } { 6 }$$

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