tracySkates tracySkates

05-09-2016
Mathematics

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What is the cosine of v = [ 1 , sqrt(3)] and w = [1 , 0]

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SyntaxError SyntaxError

05-09-2016

Hello!!

to find the cosine angle of two vectors we will use the formula
[tex]cos(x) = \frac{|v * w| }{||v||||w||} [/tex]

we will get 1*1 = 1
and ||v||||w|| = [tex] \sqrt{2} [/tex]

this gives us 60 degrees

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