Question

Find x to the nearest tenth. Consult the table above to find the cosine number.

x

Answer 1

\[\frac{x}{0.9}=\text{Sin}[50{}^{\circ}],x\text{= }0.9\text{ Sin}\left[\frac{50}{180}\pi \right]\text{=}0.68944\]\[\text{Round}\left[0.68944,\frac{1}{10}\right]=\frac{7}{10} \]