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Need help finding the trigonometric ratio for A
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1 vote
Need help finding the trigonometric ratio for A

Need help finding the trigonometric ratio for A-example-1
User Vitalii Malyi
by
8.4k points

1 Answer

3 votes

Answer:

cos A =
(4)/(5)

Explanation:

In relation to ∠ A

the side opposite is BC

the side adjacent ( next to ) is AC

the hypotenuse is the side opposite the right angle

Then

cos A =
(adjacent)/(hypotenuse) =
(AC)/(AB) =
(20)/(25) =
(4)/(5)

User Arlene Batada
by
8.3k points
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