3 years ago

What’s the answer to #3?

Mathematics

1 answer:

Neporo4naja [7]3 years ago

7 0

Answer:

Step-by-step explanation:

because the letters match up for the sides of each triangle

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3. Let sin 21 = 0.358. What is the value of x for cos x=0.358?

r-ruslan [8.4K]

Answer:

$\cos(69)$

Step-by-step explanation:

We will use the co-function identity for sine, where:

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Since sin(21)=0.358=cos(x). This means that:

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Solve for x. Add x to both sides:

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$x=69\textdegree$

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Step-by-step explanation:

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Graph image is attached.

Step-by-step explanation:

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