Determine whether the series is convergent or divergent by expressing the nth partial sum s,, as a telescoping sum. If it is convergent, find its sum. (If the quantity diverges, enter DIVERGES.) 00 5 Cos cos n = 1 (n+1)2)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 68E
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Determine whether the series is convergent or divergent by expressing the nth partial sum s,, as a telescoping sum. If it is convergent, find its sum. (If the quantity diverges, enter DIVERGES.)
2
n = 1
(()())
COS
5
(n + 1)²
Transcribed Image Text:Determine whether the series is convergent or divergent by expressing the nth partial sum s,, as a telescoping sum. If it is convergent, find its sum. (If the quantity diverges, enter DIVERGES.) 2 n = 1 (()()) COS 5 (n + 1)²
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