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January 27, 2015

January 27, 2015

Posted by **Bob** on Monday, April 29, 2013 at 11:30am.

- Math (Geometry-Vectors) -
**Steve**, Monday, April 29, 2013 at 11:57amv•u = |v| |u| cosθ, so

cosθ = 12/(2*6√2) = 1/√2

clear now?

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