Let a and b be vectors in R" such that ||a||=|| b||=2 and (a,b)= — . Then ||a - b||= ...

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 11E
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Let a and b be vectors in R" such that ||~||=||'||=2 and (a,b)= 7. Then ||ab||= ...
Transcribed Image Text:Let a and b be vectors in R" such that ||~||=||'||=2 and (a,b)= 7. Then ||ab||= ...
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