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Find the angle, θ, between the vectors. u = <3, 2> , v=<4, 0> ?

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Vinícius Ferraz

Jun 13, 2018

#theta = arccos frac{3}{sqrt 13} = 33.69# degrees

Explanation:

#u * v = 12 + 0 = |u| * |v| * cos theta#

#|u| = sqrt{9 + 4}#

#|v| = 4#

#cos theta = 12/(4 sqrt 13)#

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