# Chapter 2 - Section 2.1 - Definition II: Right Triangle Trigonometry - 2.1 Problem Set: 27

$82^{\circ}$ $\tan 8^{\circ} = \cot 82^{\circ}$

#### Work Step by Step

$\tan 8^{\circ} = \cot 82^{\circ}$ Reason- tangent and cotangent are cofunctions and $8^{\circ} + 82^{\circ} = 90^{\circ}$ i.e. $8^{\circ}$ and $82^{\circ}$ are complementary angles.

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