# How do you convert -450^@ into radians?

$\frac{\pi}{180} ^ \circ$ is the conversion factor when converting from degrees into radians.
$- {450}^{\circ} \cdot \frac{\pi}{180} ^ \circ = - \frac{{450}^{\circ} \pi}{180} ^ \circ = \frac{- 45 \pi}{18} = \frac{- 5 \pi}{2}$