Mathematics, 30.01.2021 05:30 comawhite7820

Using the cosine sum identity, Cosine (x + StartFraction 3 pi Over 2 EndFraction) = cosine (x) cosine (StartFraction 3 pi Over 2 EndFraction) minus sine (x) sine (StartFraction 3 pi Over 2 EndFraction) Which of the following is equivalent to Cosine (x + StartFraction 3 pi Over 2 EndFraction)?

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Using the cosine sum identity, Cosine (x + StartFraction 3 pi Over 2 EndFraction) = cosine (x) cosin...

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