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Find the value of each variable using sine and cosine round your answers to the nearest tenth​
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Find the value of each variable using sine and cosine round your answers to the nearest tenth​

Find the value of each variable using sine and cosine round your answers to the nearest-example-1
User Andrew Grothe
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1 Answer

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9514 1404 393

Answer:

r ≈ 19.0

s ≈ 17.7

Explanation:

The relevant trig relations are ...

Sin = Opposite/Hypotenuse

Cos = Adjacent/Hypotenuse

So, you have ...

cos(43°) = r/26

r = 26·cos(43°) ≈ 19.0

__

sin(43°) = s/26

s = 26·sin(43°) ≈ 17.7

User Gavin Palmer
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