2. Sketch the graph of r² = cos 40.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 41E
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= cos 40.
2. Sketch the graph of r²
Transcribed Image Text:= cos 40. 2. Sketch the graph of r²
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