4 1:50° 1,80° 2 210° 120° 240° t -2-90° 2270° 4 60° 300% 30 330° 2 4
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 5E
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