Find the angle between the given vectors to the nearest tenth of a degree.
u = <2, -4>, v = <3, -8>

Find the angle between the given vectors to the nearest tenth of a degree.
u = <2, -4>, v = <3, -8>

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I got this much so far, is it right?
u=sqrt. 2^2+-4^2 v=sqrt.3^2+-8^2
u=4.5 v=8.5
dot=38.25

look at your dot again

isnt dot multiplying u and v?

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