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OpenStudy (explainitlikeimfive):
Find the magnitude......
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OpenStudy (explainitlikeimfive):
OpenStudy (anonymous):
v.v/|v|^2 = cos(x) , we know that |v| = 5 so |v|^2 = 25 , dot production definition is \[\sum_{0}^{i} ai bi\] then you solve for x, by getting Arc, I mean, x = ArcCos(angle)
OpenStudy (explainitlikeimfive):
Thanks
OpenStudy (anonymous):
You're welcome.
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