Find unit vectors that satisfy the given conditions:   The unit vector in the same direction as ⟨−2,−3⟩⟨−2,−3⟩ is  .  The unit vector oppositely directed to −i+2j−i+2j is  .  The unit vector that has the same direction as the vector from the point A=(−3,1)A=(−3,1) to the point B=(−6,−2)B=(−6,−2) i

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 16E
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Find unit vectors that satisfy the given conditions:

 

  1. The unit vector in the same direction as ⟨−2,−3⟩⟨−2,−3⟩ is  . 

  2. The unit vector oppositely directed to −i+2j−i+2j is  . 

  3. The unit vector that has the same direction as the vector from the point A=(−3,1)A=(−3,1) to the point B=(−6,−2)B=(−6,−2) i
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