# How do you find the angle between the vectors #u=2i-3j# and #v=8i+3j#?

##### 1 Answer

Oct 18, 2016

#### Explanation:

Starting from the saclar (dot) product

the definition:

where

Also to evaluate the scalar product using components we have the result:

so for

using result (2)

Now we use the definition (1)

so,

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