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Mathematics 19 Online
OpenStudy (anonymous):

express sin4x cosx as a sum or difference

OpenStudy (anonymous):

|dw:1367015812662:dw| need help proving this

OpenStudy (anonymous):

F(x)=4 sin (x+pi/4)

OpenStudy (jdoe0001):

what? I see 3 different equatios :|

OpenStudy (jdoe0001):

so, which is it?

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