9. 389 z° 145°

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 61E
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Find the value of the variable(s) .
389
145°
9.
Transcribed Image Text:389 145° 9.
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