#### Answer

$\csc \theta = \frac{1}{\sin\theta}$
$\csc 60^{\circ}= \frac{1}{\sin 60^{\circ}} = \frac{1}{\frac{\sqrt 3}{2}}= \frac{2}{\sqrt 3}$

#### Work Step by Step

$\csc \theta = \frac{1}{\sin\theta}$ (Inverse property)
$\csc 60^{\circ}= \frac{1}{\sin 60^{\circ}} = \frac{1}{\frac{\sqrt 3}{2}}= \frac{2}{\sqrt 3}$ (Special angle)