How do you find the unit vector in the same direction as (-5, 3)?

1 Answer
Aug 13, 2017

Given a vector vecv = (a,b); the unit vector is:

hatv = vecv/|vecv|

Where |vecv| = sqrt(a^2+b^2)

Explanation:

Given: vecv = (-5,3)

hatv = ("("-5,3")")/sqrt((-5)^2+3^2)

hatv = ("("-5,3")")/sqrt(34)

hatv = (-5/sqrt(34),3/sqrt(34))