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dusya [7]
3 years ago
9

#10 using the right angle below find the cosine of angle B.

Mathematics
1 answer:
Contact [7]3 years ago
4 0

\cos B = \frac{\text{adjacent side}}{\text{hypotenuse}} = \frac{5\sqrt{2}}{10} = \frac{\sqrt{2}}{2}=0.707

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