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OpenStudy (ckenn):
If the sin 60° = square root of three over two, then which statement is true? a. cos 30° = square root of three over two, because the cosine and sine are complements b. cos 120° = square root of three over two, because the cosine and sine are supplements c. cos 30° = 0, because the cosine and sine are complements d. cos 120° = 0, because the cosine and sine are supplements
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OpenStudy (welshfella):
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