Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 2 - Section 2.2 - Calculators and Trigonometric Functions of an Acute Angle - 2.2 Problem Set - Page 71: 38


$\tan 81.43^{\circ}$ = 6.6357

Work Step by Step

Using calculator in degree mode- $\tan 81.43^{\circ}$ = 6.6356891185 Rounding it to four places past the decimal point- $\tan 81.43^{\circ}$ = 6.6357
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