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Mathematics 7 Online
OpenStudy (anonymous):

rewrite algebraically

OpenStudy (anonymous):

OpenStudy (anonymous):

@Mertsj

OpenStudy (anonymous):

i know you do the double angle formula

OpenStudy (anonymous):

@Hero

OpenStudy (anonymous):

@jim_thompson5910 help?

jimthompson5910 (jim_thompson5910):

you have to use the identity sin(2x) = 2*sin(x)*cos(x)

jimthompson5910 (jim_thompson5910):

and this drawing may help you out |dw:1367531596561:dw|

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