Find the limit or show that the limit does not exist. lim(x,y)-->(0,0)               (cos((x^2+y^2)^(1/2))-1)/(x^2+y^2) Hint: Use the Maclaurin series for cos(theta) to find a suitable inequality.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.6: Permutations
Problem 47E
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Find the limit or show that the limit does not exist.

lim(x,y)-->(0,0)               (cos((x^2+y^2)^(1/2))-1)/(x^2+y^2)

Hint: Use the Maclaurin series for cos(theta) to find a suitable inequality.

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