Problem 21 of 7
Write the sine ratio for angle y from side data opposite a, hypotenuse c.
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use opposite over hypotenuse.
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Sine is opposite over hypotenuse.
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Your answer is equivalent to the expected form.
Walkthrough
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1. Identify the side opposite the reference angle.
2. Identify the hypotenuse.
3. Write opposite divided by hypotenuse.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Adjacent/hypotenuse, which is cosine.