## Trigonometry (10th Edition)

$\sin$ A = $\frac{45}{53}$ $\cos$ A = $\frac{28}{53}$ $\tan$ A = $\frac{45}{28}$
$\sin$ = $\frac{perpendicular}{hypotenuse}$ $\cos$ = $\frac{base}{hypotenuse}$ $\tan$ = $\frac{perpendicular}{base}$