SOLUTION: what is the exact value of cos 33pi/4?

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Question 762004: what is the exact value of cos 33pi/4?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
what is the exact value of cos 33pi/4?
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33pi/4 = 8pi + pi/4
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cos 33pi/4 = cos(pi/4)