Posted by Thomas on Friday, May 28, 2010 at 10:05am.
If u = 10, v = 8, and the angle formed between them is 60°, then u · v = .

Vectors  bobpursley, Friday, May 28, 2010 at 11:25am
What is 80 cos60?

Vectors  Damon, Friday, May 28, 2010 at 8:01pm
80 cos 60 = 40
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