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44 votes
Find the value of x and round to the whole degree

Find the value of x and round to the whole degree-example-1
User Adrian Keister
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1 Answer

24 votes
24 votes

Using trigonometric ratio


\begin{gathered} \cos x^(\circ)=\frac{adjacent}{\text{hypotenuse}} \\ \text{cosx}=(5)/(8) \\ \cos x=0.625 \\ x=\cos ^(-1)0.625 \\ x=51.3178125465 \\ x=51^(\circ) \end{gathered}

User Naga Budigam
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