Use an appropriate Half-Angle Formula to find the exact value of the expression. cos 8

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter2: Right Triangle Trigonometry
Section: Chapter Questions
Problem 6GP
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Use an appropriate Half-Angle Formula to find the exact value of the expression.
cos
8
Transcribed Image Text:Use an appropriate Half-Angle Formula to find the exact value of the expression. cos 8
Use an appropriate Half-Angle Formula to find the exact value of the expression.
co여()
Cos
Transcribed Image Text:Use an appropriate Half-Angle Formula to find the exact value of the expression. co여() Cos
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