cos e sin 0 - sin 0 cos e Remember: no determinants can be used in...

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cos e sin 0 - sin 0 cos e Remember: no determinants can be used in this course. Let A a) Let TR: R2 + R? be matrix multiplication by A, an R-linear map of the R-vector space R2. What is the spectrum of T? b) Let TC: C2 → C? be matrix multiplication by A. a C-linear map of the C-vect the spectrum of T? cos e sin 0 - sin 0 cos e Remember: no determinants can be used in this course. Let A a) Let TR: R2 + R? be matrix multiplication by A, an R-linear map of the R-vector space R2. What is the spectrum of T? b) Let TC: C2 → C? be matrix multiplication by A. a C-linear map of the C-vect the spectrum of T?