Answer
$$\lim_{x\to\pi}\cos^2(x-\tan x)=1$$
Work Step by Step
$$A=\lim_{x\to\pi}\cos^2(x-\tan x)$$
$$A=\cos^2(\pi-\tan\pi)$$
$$A=\cos^2(\pi-0)$$
$$A=\cos^2\pi$$
$$A=(-1)^2=1$$
University Calculus: Early Transcendentals (3rd Edition)
by Hass, Joel R.; Weir, Maurice D.; Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0321999584
ISBN 13:
978-0-32199-958-0
Chapter 2 - Practice Exercises - Page 111: 22
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