Find the Exact Value of the Expression $\tan ^ { - 1 } \sqrt { 3 }$

Multiple Choice

Find the exact value of the expression.
- $\tan ^ { - 1 } \sqrt { 3 }$

A) $\frac { \pi } { 3 }$
B) $\frac { \pi } { 6 }$
C) $\frac { 5 \pi } { 4 }$
D) $\frac { 3 \pi } { 4 }$