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Find the value of the trigonometric ratio to the nearest ten-thousandth

Find the value of the trigonometric ratio to the nearest ten-thousandth-example-1

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cos(c) = (adjacent)/(hypotenuse)

adjacent = 40
hypotenuse = 50

40÷50 = 0.8

nearest thousandth so...

0.8000

A is the answer.
User Mmar
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