Answer
$\dfrac{\sqrt3}{2}$
Work Step by Step
Convert the angle measure to degrees to obtain:
$=\frac{\pi}{3} \cdot \frac{180^o}{\pi} = 60^o$
Thus,
$\sin{\frac{\pi}{3}}
\\= \sin{60^o}
\\= \dfrac{\sqrt3}{2}$
(from Section 2.2)