All it says is to rewrite the equation with only sine and cosine. then the equation is:

sin3x+cos3x

i dont know what it means or what to do. thanks for any help!

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- Dec 8th 2011, 07:01 PMccfooseExtra Credit Problem I dont understand at all!
All it says is to rewrite the equation with only sine and cosine. then the equation is:

sin3x+cos3x

i dont know what it means or what to do. thanks for any help! - Dec 9th 2011, 03:49 PMmr fantasticRe: Extra Credit Problem I dont understand at all!
Extra credit is meant to be your OWN work. See rule #6: http://www.mathhelpforum.com/math-he...hp?do=vsarules.

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