Mathematics, 25.04.2020 01:09 msjsnell29

In triangle ABC, angle c is a right angle. if cos A= 5/8, what is the value of cos B? A. 3/8
B. 5/3
C. sqrt 39/8
D. sqrt 89/8
with explanation pls

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In triangle ABC, angle c is a right angle. if cos A= 5/8, what is the value of cos B? A. 3/8
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