$\triangle XYZ$ is right angled at Y. If $m\angle Z$ =$ 60^{0}$, then Cosec X =1). 22). $\frac{1}{2}$3). $\frac{1}{\sqrt{2}}$4). $\frac{1}{\sqrt{3}}$

$\triangle XYZ$ is right angled at Y. If $m\angle Z$ =$ 60^{0}$, then

1.	$\triangle XYZ$ is right angled at Y. If $m\angle Z$ =$ 60^{0}$, then Cosec X =1). 22). $\frac{1}{2}$3). $\frac{1}{\sqrt{2}}$4). $\frac{1}{\sqrt{3}}$
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