Find cos B. I need more words

asked Dec 15, 2021 24.3k views

5 votes

Find cos B.

I need more words

by Juk

3.8k points

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3 votes

Answer:

9/41

Explanation:

(refer to to attached diagram)

In our case,

Cos B

= adjacent length / hypotenuse

= BC / AB

= 18 /82 (divide numerator and denominator by 2)

= 9/41

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