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Mathematics 11 Online
OpenStudy (anonymous):

express sin^2 in terms of cos2x

OpenStudy (aravindg):

1-cos 2 x is 2sin^2 x

OpenStudy (aravindg):

So divide it by 2

OpenStudy (aravindg):

You get (1-cos 2x )/2

OpenStudy (anonymous):

ohhh!!! I get it now!! Thanks! ^^

OpenStudy (aravindg):

yw :)

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