1. To solve the triangle, would you begin by using the Law of Sines or the Law...
Question:
(a)
(b)
2. Use the Law of Cosines to prove each identity.
(a) 1/2 bc (1 +cos A) = a + b + c / 2 -a +b +c / 2
(b) 1/2 bc (1 - cos A) = a - b + c / 2 a + b + c / 2
Transcribed Image Text:
b = 16 a = 12 C = 18 35 ь 55° в B. a = 18
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