November 27, 2015

Homework Help: Calculus 3

Posted by Heather on Wednesday, January 16, 2013 at 11:18pm.

Let u=j+k and v=i+jsqrt2.

a) Calculate the length of the projection of v in the u direction.

b) Calculate the cosine of the angle between u and v.

Your help is very much appreciated!

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