Question
Find the value $'x\ ',$ if:
✓
Answer
In right $\triangle ABC _{\text {}}$
$\sin x=\frac{A B}{B C}$
$ \Rightarrow \sin x=\frac{\sqrt{3}}{2}$
$ \Rightarrow \sin x=\sin 60^{\circ}$
$ \Rightarrow x=60^{\circ} .$
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