Find the Exact Value of the Expression $$\sin \frac { \pi } { 3 } - \cos \frac { \pi } { 6 }$$

Multiple Choice

Find the exact value of the expression. Do not use a calculator.
- $$\sin \frac { \pi } { 3 } - \cos \frac { \pi } { 6 }$$

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