Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 2 - Acute Angles and Right Triangles - Section 2.1 Trigonometric Functions of Acute Angles - 2.1 Exercises - Page 51: 10


$\cot$ 30$^{\circ}$ = (A)

Work Step by Step

$\cot$ 30$^{\circ}$ = $\frac{1}{\tan 30^{\circ}}$ $\frac{1}{\tan 30^{\circ}}$ = $\frac{1}{\sqrt \frac{1}{3}}$ $\frac{1}{\sqrt \frac{1}{3}}$ = $\sqrt 3$ $\sqrt 3$ = (A)
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