Find the value of $cosec \bigg(\large\frac{2\pi}{3}\bigg)$

Question

$\begin{array}{1 1} (a)\;\large\frac{-\sqrt 3}{2}\\ (b)\;\large\frac{\sqrt 3}{2} \\ (c)\;\large\frac{-2}{\sqrt 3}\\ (d)\;\large\frac{ 2}{\sqrt 3}\end{array} $