What is 1 + (COS ™n) when n = 4? 01 O -1 O2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 50E
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What is 1 + (cos πn) when n = 4?
O 1
-1
T
2
Transcribed Image Text:What is 1 + (cos πn) when n = 4? O 1 -1 T 2
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