SOLUTION: 2cosx+1=0

SOLUTION: 2cosx+1=0

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Question 251210: 2cosx+1=0
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
I can answer your math question using paint attachment, which is far easier to read and follow. Send this question to: nycfunction@yahoo.com and I will reply.

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