Answer
a) $\frac{\pi}{3}$
b) $(\frac{1}{2},-\frac{\sqrt 3}{2})$
Work Step by Step
a) $2\pi - \frac{5\pi}{3} = \frac{\pi}{3}$
b) $\frac{5\pi}{3}$ has the terminal point $(\frac{1}{2},-\frac{\sqrt 3}{2})$ on th unit circle.
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