Chapter 2 - Acute Angles and Right Triangles - Section 2.3 Finding Trigonometric Function Values Using a Calculator - 2.3 Exercises - Page 66: 28

$\frac{1}{\tan(90 - 22)}$ = 0.40402622

$\frac{1}{\tan(90 - 22)}$ $\tan$ (90$^{\circ}$ - $\theta$) = $\cot$ $\theta$ Therefore: $\frac{1}{\tan(90 - 22)}$ = $\frac{1}{\cot 22}$ $\frac{1}{\cot 22}$ = $\tan$ 22$^{\circ}$ $\frac{1}{\tan(90 - 22)}$ = 0.40402622