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Use ΔABC to find the value of cos B A) 12/13 B) 12/5 C) 5/13 D) 5/12
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Use ΔABC to find the value of cos B

A) 12/13
B) 12/5
C) 5/13
D) 5/12

Use ΔABC to find the value of cos B A) 12/13 B) 12/5 C) 5/13 D) 5/12-example-1
User Csalive
by
7.1k points

1 Answer

4 votes

Answer:

C) 5/13

Explanation:

The mnemonic SOH CAH TOA reminds you that the cosine ratio is ...

Cos = Adjacent/Hypotenuse

For the given problem, this means ...

cos(B) = BC/BA = 15/39

cos(B) = 5/13

User CantrianBear
by
7.9k points
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