2 2x 1-3/ and b=3 the angle between a and b is 3 If ||a|| = rad, then which one is a.b?

Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter1: Line And Angle Relationships
Section1.CT: Test
Problem 15CT
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If ||al|
=
-1
2
2π
and b=3 the angle between a and b is
3
1
-√2
rad, then which one is la.b?
Transcribed Image Text:If ||al| = -1 2 2π and b=3 the angle between a and b is 3 1 -√2 rad, then which one is la.b?
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