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Relate ratios in right triangles
Consider right triangle ADEF below. Which Expressions are equivalent to cos(E)?

Relate ratios in right triangles Consider right triangle ADEF below Which Expressions are equivalent to cosE class=

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Answer:

B

Step-by-step explanation:

Cos is the adjacent side over the hypotenuse.  The adjacent side to <E is side ED.  The hypotenuse is side EF.  ED/EF.  They do not go right out and give you this choice, but you see that B says the same thing.

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