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April 26, 2015

Homework Help: trig

Posted by kate on Thursday, May 17, 2012 at 9:38pm.

write sin4xcos2 as the sum or difference of two functions. answers: 1/2(cos6x+cos2x), 1/2(cos2x-cos6x), 1/2(sin6x+sin2x), sin6x-sin2x

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