Solve the equation cos 2x + cos x = 2 in the interval [0, 24)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 44E
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Solve the equation in the interval [0, 24)
cos 2x + cos X = 2
Transcribed Image Text:Solve the equation in the interval [0, 24) cos 2x + cos X = 2
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