Question

Prove that the set of matrices in the form of



[



cosα



sinα



−sinα



cosα



]



[cosα−sinαsinαcosα]



(while



α∈r



α∈r



) with the operation of matrix multiplication is an abelian group.

Answer 1

your answer is =0 this is your answer

Answer 2

Step-by-step explanation:

Prove that the set of matrices in the form of [cosαsinα−sinαcosα] (while α∈R) with the operation of matrix multiplication is an abelian group.