Use a Sum or Difference Identity to Find the Exact $$\tan \left( - \frac { 5 \pi } { 12 } \right)$$

Multiple Choice

Use a sum or difference identity to find the exact value.
- $$\tan \left( - \frac { 5 \pi } { 12 } \right)$$

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