80. x sin 0cos 20; 0= 0 cos sin 20, y

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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 Find an equation of the tangent line to the curve at the point corresponding to the given value of the parameter.

80. x
sin 0cos 20; 0= 0
cos sin 20,
y
Transcribed Image Text:80. x sin 0cos 20; 0= 0 cos sin 20, y
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