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February 27, 2015

February 27, 2015

Posted by **Jake** on Thursday, March 29, 2012 at 7:06pm.

- Calculus -
**Steve**, Friday, March 30, 2012 at 10:31ama•b = |a|*|b|*cosθ

if you replace |a| with 2|a| and the same for b, what do you get?

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