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Mathematics 9 Online
OpenStudy (anonymous):

Having trouble with roots 14=sqrt(14)sqrt(20)cos theta ans: theta = cos^-1 sqrt7/10 Im not seeing how they get the answer please help driving me nuts!

OpenStudy (baldymcgee6):

http://screencast.com/t/RXfol3ksCKdj

OpenStudy (anonymous):

Im not getting how you got 2sqrt70

OpenStudy (anonymous):

Never mind penny just dropped cheers baldymcgee6!

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