Give inequalities for $r$ and $\theta$ which describe the region below in polar coordinates.

(Click on the graph for a larger version.)

The two arcs shown are circular, and the region is between the two arcs and between the $y$-axis and line graphed, which is $y = {\sqrt{3}} x$.

$\le r \le$
$\le \theta \le$
(Write infinity to indicate a boundary at infinity.)