1. To solve the triangle, would you begin by using the Law of Sines or the Law...

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1. To solve the triangle, would you begin by using the Law of Sines or the Law of Cosines? Explain.
(a)

(b)

2. Use the Law of Cosines to prove each identity.
(a) 1/2 bc (1 +cos A) = a + b + c / 2 ˆ™ -a +b +c / 2
(b) 1/2 bc (1 - cos A) = a - b + c / 2 ˆ™ a + b + c / 2

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Algebra and Trigonometry

ISBN: 978-1337271172

10th edition

Authors: Ron Larson

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Question Posted: Feb 14, 2018 03:28 AM

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1. To solve the triangle, would you begin by using the Law of Sines or the Law...

Question:

b = 16 a = 12 C = 18 35 ь 55° в B. a = 18

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1 a Because SSS is given use the Law of ...View the full answer

Algebra and Trigonometry

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