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Given b = 12, c = 15 and A = 60° in triangle ABC, use the Law of Cosines to solve for a. Fill in the blank(s) to complete each step. Round your answer to the nearest hundredth.a…

Given b = 12, c = 15 and A = 60° in triangle ABC, use the Law of Cosines to solve for a. Fill in the blank(s) to complete each step. Round your answer to the nearest hundredth.a…
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Given b = 12, c = 15 and A = 60° in triangle ABC, use the Law of Cosines to solve for

a. Fill in the blank(s) to complete each step. Round your answer to the nearest hundredth.a2 = a0 + 152 - 2a1(15) cos a2°a2 = 144 + 225 - 360(a3)a2 = a4a = a5

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User Ashawley
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1 Answer

2 votes
I got 13.75. :)
Sorry if the picture is kind of blurry but I attached my work as well.
Given b = 12, c = 15 and A = 60° in triangle ABC, use the Law of Cosines to solve-example-1
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User Reite
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7.3k points
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