## Calculus: Early Transcendentals 8th Edition

(a) $150°$ (b) $\frac{360}{\pi}°$
To convert from radians to degrees, we multiply the angle by $\frac{180}{\pi}$. (a) $\frac{5\pi}{6}\times \frac{180}{\pi} = 150°$ (b) $2\times \frac{180}{\pi} = \frac{360}{\pi}°$