## Trigonometry (10th Edition)

$\cot$ 30$^{\circ}$ = $\frac{\sqrt3}{3}$ $\cot$ 30$^{\circ}$ = $\sqrt3$
$\cot$ 30$^{\circ}$ = $\frac{1}{\sqrt3}$ = $\frac{\sqrt3}{3}$ $\cot$ 30$^{\circ}$ = $\frac{\sqrt3}{1}$ = $\sqrt3$