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Fantom [35]
3 years ago
12

In ΔWXY, the measure of ∠Y=90°, XW = 89, WY = 80, and YX = 39. What ratio represents the cosine of ∠X?

Mathematics
1 answer:
BartSMP [9]3 years ago
6 0

Answer:

It's 39/89

Step-by-step explanation:

cos X = adjacent/ hypotenuse = 39/89

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3 years ago
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viktelen [127]

Because the cosine and sine must be negative when evaluated in theta, the angle lies on the third quadrant.

<h3>In which quadrant is the endpoint of the segment that defines the angle?</h3>

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Here we know that:

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And we know that:

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Remember: csc(θ) = 1/sen(θ)

Then sen(θ) < 0.

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The only quadrant where both are negative is the third quadrant, so that is the correct option.

If you want to learn more about trigonometric functions:

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