cos x - 1 lim xS0 cos² x 2 x - 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.5: Product-to-sum And Sum-to-product Formulas
Problem 15E
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Find the following limits or state that they do not exist. Assume a, b, c, and k are fixed real numbers.

cos x - 1
lim
xS0 cos² x
2 x - 1
Transcribed Image Text:cos x - 1 lim xS0 cos² x 2 x - 1
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