Answer
$tan(arctan~45)=45$
Work Step by Step
$45$ lies in the range of $tan~x$: ($-∞\leq x\leq∞$). So,
$tan(arctan~45)=45$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - 6.6 - Inverse Trigonometric Functions - 6.6 Exercises - Page 484: 46
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