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Mathematics 14 Online
OpenStudy (anonymous):

sin2x-cosx

OpenStudy (ybarrap):

sin(2x) = 2sin(x)cos(x) so sin(2x) - cos(x) = 2sin(x)cos(x) - cos(x) =cos(x) ( 2sin(x) - 1 ) Not much more can be done with this

OpenStudy (anonymous):

Thank you!

OpenStudy (ybarrap):

you're welcome

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