Find all solutions of the equation 2 cos? (x) – 1 = 0 on the interval [0, 27) The answer is A, B, C, and D. where 0 < A < B < C < D < 27, А В — C = D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 61E
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Find all solutions of the equation 2 cos? (x) – 1 = 0 on the interval [0, 27)
The answer is A, B, C, and D. where 0 < A < B < C < D < 27,
А —
B =
C
D =
Transcribed Image Text:Find all solutions of the equation 2 cos? (x) – 1 = 0 on the interval [0, 27) The answer is A, B, C, and D. where 0 < A < B < C < D < 27, А — B = C D =
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2 cos2x -1=0

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