Use Sum and Difference Formulas for Tangents
Find the Exact $\tan \frac { 13 \pi } { 12 }$

Multiple Choice

Use Sum and Difference Formulas for Tangents
Find the exact value by using a difference identity.
- $\tan \frac { 13 \pi } { 12 }$

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