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Use Identities to find the exact value. cos 165°
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Use Identities to find the exact value.
cos 165°

User Sunetos
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Check photo for answer
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Use Identities to find the exact value. cos 165°-example-1
User Lakerz
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4 votes

Answer:

B. - √2 + √6 / 4

Explanation:

I don't know if it's for edge but here's an answer :)

User Durumdara
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