Answer
(a) $330°$
(b) $408°$
Work Step by Step
(a) $\frac{11\pi}{6}=\frac{11\pi}{6}\frac{180°}{\pi}=\frac{1980°}{6}=330°$
(b) $\frac{34\pi}{15}=\frac{34\pi}{15}\frac{180°}{\pi}=\frac{6120°}{15}=408°$
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