Let -7√2 a and = +√₂ 3 be vectors in R3 equipped with the inner product generated by the matrix 122 A = 0 1 0 011 If a is the cosine of the angle between and find the value of " 3√2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 9E
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Let
-7/2
u =
and
4/2
be vectors in R3 equipped with the inner product generated by the matrix
1 2 2
A =010
0 11
If a is the cosine of the angle between
and
u
y, find the value of
3/2
Transcribed Image Text:Let -7/2 u = and 4/2 be vectors in R3 equipped with the inner product generated by the matrix 1 2 2 A =010 0 11 If a is the cosine of the angle between and u y, find the value of 3/2
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