(a)Prove that an orthogonal 2 ( 2 matrix must have the form Where Is a unit vector....
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Where
Is a unit vector.
(b)Using part (a), show that every orthogonal 2 ( 2 matrix is of the form
Where 0 ( ( ( 2 (.
Transcribed Image Text:
or cos θ sin θ -sin θ cos θ | cos θ sin θ or cos θ | -cos θ R2 R2
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a Suppose that is an orthogonal matrix Then So a 2 b 2 1 and c 2 d 2 1 and thus both columns of Q ar...View the full answer
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