r = -3 cos(20) – cos(0) os(e)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 29E
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Show how to test whether the graph of a given curve is symmetrical with respect to a straight line θ = 0 on the x-axis or not.
r = -3 cos(20) – cos(0)
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Transcribed Image Text:r = -3 cos(20) – cos(0) | ||
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