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Elza [17]
2 years ago
13

I don’t quite understand this problem could someone help me please

Mathematics
1 answer:
ale4655 [162]2 years ago
3 0

Answer:

\frac{7\sqrt{65}}{65}

Step-by-step explanation:

Cosine is the ratio of the side adjacent to the angle and the right triangle hypotenuse.

cos B = \frac{7}{\sqrt{65}} = \frac{7\sqrt{65}}{65}

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