SOLUTION: Use sum and difference identities to find the exact value of cos 15 degrees given 45 degrees and 60 degrees

SOLUTION: Use sum and difference identities to find the exact value of cos 15 degrees given 45 degrees and 60 degrees

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Question 1098094: Use sum and difference identities to find the exact value of cos 15 degrees given 45 degrees and 60 degrees
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
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