Answer
$=\frac{11\pi}{6}$ radians
Work Step by Step
To convert from degrees to radians, the measurement in degrees must be multiplied by $\frac{\pi}{180}$.
Therefore $330°= 330 \times \frac{\pi}{180}$
$=\frac{330\pi}{180}$
$=\frac{33\pi}{18}$
$=\frac{11\pi}{6}$ radians