19. Solve cos (x) – 8 cos(x) = 9 9 over (0, 360°). %3D
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 32E
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Transcribed Image Text:19. Solve cos (r) – 8 cos(r) = 9 over
[0, 360°).
(YCL
VO DECAV
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