Is the series given below is convergent or divergent?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section: Chapter Questions
Problem 48RE
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Is the series given below is convergent or divergent?

4+ cos? n
3n
n=1
3
Transcribed Image Text:4+ cos? n 3n n=1 3
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