2- -6 -1- -2- -4- 18.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section: Chapter Questions
Problem 78RE
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20. Find all solutions

 

 

18. Find the formula for the graph 

 

20. 2 cos (20)=-1
Transcribed Image Text:20. 2 cos (20)=-1
Its
6-
5+
2+
-
-2-
-3-
18.
to
++
Transcribed Image Text:Its 6- 5+ 2+ - -2- -3- 18. to ++
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