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Precalculus/Trigonometry and its Applications*
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Trigonometric Ratio For Cosine

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Which of the following defines the trigonometric ratio for the cosine of an angle in a right triangle?
A

Hypotenuse / Opposite

B

Opposite / Adjacent

C

Hypotenuse / Adjacent

D

Adjacent / Hypotenuse

E

Opposite / Hypotenuse

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