SOLUTION: Find the exact value of each trig expression Cos (-pi/12)

SOLUTION: Find the exact value of each trig expression Cos (-pi/12)

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Question 971587: Find the exact value of each trig expression
Cos (-pi/12)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Find the exact value of each trig expression
Cos (-pi/12)
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= cos(pi/12) = cos(15) degs
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