a, = 2*cos nT

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 22E
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Determine whether the sequence converges or diverges.
If it converges, find the limit.

a, = 2*cos nT
Transcribed Image Text:a, = 2*cos nT
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