The linear transformation T: R2 R? with matrix cos 0 - sin 0 A = cos 0 rotates vectors in the ry-plane sin 0 counterclockwise through an angle 0, where 0 <0 < 2n. By arguing geometrically, determine all values of 0 for which A has real eigenvalues. Find the real eigenvalues and the corresponding eigenvectors.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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The linear transformation T: R2 R? with matrix
cos 0 - sin 0
A =
cos 0
rotates vectors in the ry-plane
sin 0
counterclockwise through an angle 0, where 0 <0 <
2n. By arguing geometrically, determine all values
of 0 for which A has real eigenvalues. Find the real
eigenvalues and the corresponding eigenvectors.
Transcribed Image Text:The linear transformation T: R2 R? with matrix cos 0 - sin 0 A = cos 0 rotates vectors in the ry-plane sin 0 counterclockwise through an angle 0, where 0 <0 < 2n. By arguing geometrically, determine all values of 0 for which A has real eigenvalues. Find the real eigenvalues and the corresponding eigenvectors.
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