Question

Find the value of x and round to the whole degree

Answer 1

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}`