Find all points on the graph of ƒ(x) = 2 sin x + sin?x where the tangent line is horizontal

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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Apply the rule of derivatives. show step by step solution. thk u

Find all points
on the graph of ƒ(x) = 2 sin x + sin?x where the tangent line is horizontal
Transcribed Image Text:Find all points on the graph of ƒ(x) = 2 sin x + sin?x where the tangent line is horizontal
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