Chapter 6 - The Circular Functions and Their Graphs - Chapter 6 Test Prep - Review Exercises - Page 644: 14

$${216^ \circ }$$

$$\eqalign{ & \frac{{6\pi }}{5} \cr & {\text{Multiply by }}\frac{{{{180}^ \circ }}}{\pi }. \cr & \frac{{6\pi }}{5}{\text{radians}} = \frac{{6\pi }}{5}\left( {\frac{{{{180}^ \circ }}}{\pi }} \right) \cr & {\text{Simplify}} \cr & \frac{{6\pi }}{5}{\text{radians}} = \frac{{{{1080}^ \circ }}}{5} \cr & \frac{{6\pi }}{5}{\text{radians}} = {216^ \circ } \cr} $$