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Mathematics 9 Online
OpenStudy (lukecrayonz):

Find angle theta that lies between u= <1, -2, 2> and v = <2, 2, 2>

OpenStudy (lukecrayonz):

Just need a formula please

OpenStudy (anonymous):

These are vectors so just google angle between two vectors I think this website might help http://chemistry.about.com/od/workedchemistryproblems/a/scalar-product-vectors-problem.htm if not wait for someone to help.

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