## Trigonometry (11th Edition) Clone

(a) $16\pi$ radians (b) $60\pi$ radians
(a) Since 1 rotation equals $2\pi$ radians, $8$ rotations equal: $8\times2\pi=16\pi$ radians. (b) Since 1 rotation equals $2\pi$ radians, $30$ rotations equal: $30\times2\pi=60\pi$ radians.