Use a Sum or Difference Identity to Find the Exact $$\tan \frac { 7 \pi } { 12 }$$

Multiple Choice

Use a sum or difference identity to find the exact value.
- $$\tan \frac { 7 \pi } { 12 }$$

A) $- 1 - \frac { \sqrt { 3 } } { 3 }$
B) $- 1$
C) $- 2 - \sqrt { 3 }$
D) $- 1 - \sqrt { 3 }$