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Harlamova29_29 [7]
2 years ago
11

In need of help please :)

Mathematics
1 answer:
Anettt [7]2 years ago
5 0

Answer:

okay let's start

Step-by-step explanation:

number \: 1 \\ cos \: b =   \frac{adjacent}{hypotenuse}  \\ cos \: b =  \frac{ac}{cb} \\ \:  \ cos \: b =  \frac{12}{13}  \\

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