SOLUTION: Find the angle between the vectors U = <-2,-1> and V + <-3,1>

SOLUTION: Find the angle between the vectors U = <-2,-1> and V + <-3,1>

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Question 857574: Find the angle between the vectors U = <-2,-1> and V + <-3,1>
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use the dot product,

The dot product is

So then,

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