Answer
$1.107$ square units
Work Step by Step
We plug the values of $a$ and $b$ into $\tan^{-1} a $ and $\tan^{-1} b $, respectively.
Therefore, we have
$\tan^{-1} b-\tan^{-1} a=\tan^{-1} 2 \tan^{-1} 0=1.107$ square units
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 4 - Section 4.7 - Inverse Trigonometric Functions - Exercise Set - Page 628: 97
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