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Find the exact value of Cosine (StartFraction 5 pi Over 6 EndFraction) cosine (StartFraction pi over 12 EndFraction) + sine (StartFraction 5 pi Over 6 EndFraction) sine (StartFraction pi Over 12 EndFraction)

Find the exact value of Cosine StartFraction 5 pi Over 6 EndFraction cosine StartFraction pi over 12 EndFraction sine StartFraction 5 pi Over 6 EndFraction sine class=

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Answer:

Option B

Step-by-step explanation:

Found out the hard way on my own assignment

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Answer:

B

Step-by-step explanation:

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