1* Given that the sides of a triangle are a = 3, b = 5, and c = 7, find all three angles. Your students tell you that they are confused about when they should use the Law of Cosines and when they should use the Law of Sines when trying to find missing parts of a tri- angle. What do you tell them?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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1* Given that the sides of a triangle are a = 3, b = 5, and c = 7, find all three angles.
Your students tell you that they are confused about when they should use the Law of
Cosines and when they should use the Law of Sines when trying to find missing parts of a tri-
angle. What do you tell them?
Transcribed Image Text:1* Given that the sides of a triangle are a = 3, b = 5, and c = 7, find all three angles. Your students tell you that they are confused about when they should use the Law of Cosines and when they should use the Law of Sines when trying to find missing parts of a tri- angle. What do you tell them?
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a=3, b=5, c=7

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