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Mathematics, 05.03.2022 16:00 evazquez

What is the value of cos(15°)? StartFraction StartRoot 6 EndRoot minus StartRoot 2 EndRoot Over 2 EndFraction StartFraction StartRoot 6 EndRoot minus StartRoot 2 EndRoot Over 4 EndFraction StartFraction StartRoot 6 EndRoot + StartRoot 2 EndRoot Over 4 EndFraction StartFraction StartRoot 6 EndRoot + StartRoot 2 EndRoot Over 2 EndFraction

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