A rotation matrix, corresponding to a rotation with an angle in the two-dimensional space, is defined as A = cos sin Cos - sin 1 a) Compute the determinant of A. b) Compute the inverse matrix A-¹. To which linear transformation does this correspond? Show that A is an orthogonal matrix.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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5.1

A rotation matrix, corresponding to a rotation with an angle in the two-dimensional space, is
defined as
A
=
cos
sin
- sin
cos
a) Compute the determinant of A .
b) Compute the inverse matrix A-1. To which linear transformation does this correspond?
c) Show that A is an orthogonal matrix.
Transcribed Image Text:A rotation matrix, corresponding to a rotation with an angle in the two-dimensional space, is defined as A = cos sin - sin cos a) Compute the determinant of A . b) Compute the inverse matrix A-1. To which linear transformation does this correspond? c) Show that A is an orthogonal matrix.
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