SOLUTION: What's the Exact Value for cos 7π/3 ? Without using a calculator

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Question 577810: What's the Exact Value for cos 7π/3 ? Without using a calculator
Answer by Alan3354(69443) About Me  (Show Source):
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What's the Exact Value for cos 7π/3 ? Without using a calculator
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= cos(pi/3)
= 1/2