Differentiate the following w.r.t. $x : \large \frac{e^x}{sin\;x}$

Question

$\begin{array}{1 1} \large \frac{e^x(\sin x-\cos x)}{\sin^2x} \\ \large \frac{e^x(\sin x+\cos x)}{\sin^2x} \\ \large \frac{e^x(\cos x-\sin x)}{\sin^2x} \\ \large \frac{e^x(\cos x+\sin x)}{\sin^2x} \end{array}$