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I have to use trig ratios to find the unknown angle or side length in the following problem.

I have to use trig ratios to find the unknown angle or side length in the following-example-1
User ATD
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Using trigonometric ratios


\sin 53=\frac{opposite}{\text{hypotenuse}}

Therefore,


\begin{gathered} \sin 53=(x)/(15) \\ x=15\sin 53 \\ x=15*0.79863551004 \\ x=11.9795326507 \\ x=12.0 \end{gathered}

User Osundblad
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