Use the Addition Formulas for Sine and Cosine to Simplify $$\sin 54 ^ { \circ } \cos 24 ^ { \circ } - \cos 54 ^ { \circ } \sin 24 ^ { \circ }$$

Multiple Choice

Use the addition formulas for sine and cosine to simplify the expression. $$\sin 54 ^ { \circ } \cos 24 ^ { \circ } - \cos 54 ^ { \circ } \sin 24 ^ { \circ }$$

A) $\frac { \sqrt { 2 } } { 2 }$
B) 1/2
C) 0
D) 1
E) $\frac { \sqrt { 3 } } { 2 }$