Given that the matrix A, cos sin 0 0 A= sin cos 00 00 9) (a) Calculate the determinant of A. (b) Usint the result from 2a), calculate the inverse of A using the adjoint of matrix. (c) Calculate the transpose of A (d) Calculate the inverse of the transpose of A, i.e., (AT)-1 using the adjoint of matrix. (e) Using the results from 2b)-2d), show that (AT)-1= (A-1)T (f) Calculate the determinant of A-1 (g) Using the above result, show that det(A-1)= det(A)

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Given that the matrix A,
cos
sin 0 0
A=
sin
cos 00
00
9)
(a) Calculate the determinant of A.
(b) Usint the result from 2a), calculate the inverse of A using the adjoint of matrix.
(c) Calculate the transpose of A
(d) Calculate the inverse of the transpose of A, i.e., (AT)-1 using the adjoint of matrix.
(e) Using the results from 2b)-2d), show that (AT)-1= (A-1)T
(f) Calculate the determinant of A-1
(g) Using the above result, show that det(A-1)=
det(A)
Transcribed Image Text:Given that the matrix A, cos sin 0 0 A= sin cos 00 00 9) (a) Calculate the determinant of A. (b) Usint the result from 2a), calculate the inverse of A using the adjoint of matrix. (c) Calculate the transpose of A (d) Calculate the inverse of the transpose of A, i.e., (AT)-1 using the adjoint of matrix. (e) Using the results from 2b)-2d), show that (AT)-1= (A-1)T (f) Calculate the determinant of A-1 (g) Using the above result, show that det(A-1)= det(A)
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