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WINSTONCH [101]
2 years ago
12

Find the cosine of ∠D.

Mathematics
1 answer:
Yuliya22 [10]2 years ago
5 0
It should be 5/13 because the opposite angle from D is 12, which you would use if you are looking for sine. But, since you are looking for cosine, it is adjacent over hypotenuse. Therefore leaving you with 5/13, since your hypotenuse is always your longest side and the adjacent is the other side from the one opposite of the angle.
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