cof), 5T Cos What is the exact value of 4

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section: Chapter Questions
Problem 8RE
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Question
cos
What is the exact value of
4
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Transcribed Image Text:cos What is the exact value of 4 Show all work
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Step 1

Find the exact value of cos(-5π/4)

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