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Mathematics, 18.03.2020 20:09 fffcc7665

Please help fast!! If the sin 30° = one half, then which statement is true?

cos 150° = 0, because the angles are supplements
cos 60° = one half, because the angles are complements
cos 150° = 1, because the angles are supplements
cos 60° = 0, because the angles are complements

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Please help fast!! If the sin 30° = one half, then which statement is true?

cos 150° = 0...

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