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Mathematics, 26.10.2020 05:00 o11011195

Which expression is equivalent to Sine (StartFraction pi Over 12 EndFraction) cosine (StartFraction 7 pi Over 12 EndFraction) minus cosine (StartFraction pi Over 12 EndFraction) sine (StartFraction 7 pi Over 12 EndFraction)? Cosine (negative StartFraction pi over 2 EndFraction)
Sine (negative StartFraction pi over 2 EndFraction)
Cosine (StartFraction 2 pi over 3 EndFraction)
Sine (StartFraction 2 pi over 3 EndFraction)


Which expression is equivalent to Sine (StartFraction pi Over 12 EndFraction) cosine (StartFraction

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