Find the Exact Value of the Expression $\csc 480 ^ { \circ }$

Multiple Choice

Find the exact value of the expression.
- $\csc 480 ^ { \circ }$

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