Answer
(a) See the graph.
(b) $(\frac{\sqrt 3}{2},-\frac{3}{2})$
Work Step by Step
(b)
$x=r~cos~θ$
$x=-\sqrt 3~cos~(\frac{2\pi}{3})=-\sqrt 3(-\frac{1}{2})=\frac{\sqrt 3}{2}$
$y=r~sin~θ$
$y=-\sqrt 3~sin~(\frac{2\pi}{3})=-\sqrt 3(\frac{\sqrt 3}{2})=-\frac{3}{2}$
