Write an equation that could be used to find the value of b.

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Question

Write an equation that could be used to find the value of b.

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anonymous · Answer

a. b^2 = 13^2 + 12^2 – 2(13)(12)(cos 14°)
		
b. b^2 = 12^2 + 13^2 – 2(12)(13)(cos 41°)
		
c. b^2 = 12^2 + 13^2 + 2(12)(13)(cos 41°)
		
d. b^2 = 41^2 + 13^2 – 2(41)(13)(cos 12°)

anonymous · Answer

Law of Cosines...this is a straightforward question.

If you cannot select the correct choice, then restudy the Law of Cosines.