Find the Exact Circular Function Value $\tan \frac { - 3 \pi } { 4 }$

Multiple Choice

Find the exact circular function value.
- $\tan \frac { - 3 \pi } { 4 }$

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