If A=[sinαcosα−cosαsinα], then verify that A'A=I. – InterviewSolution

1.	If A=[sinαcosα−cosαsinα], then verify that A'A=I.
Answer» If $A = [\begin{matrix} s i n α & c o s α - c o s α & s i n α \end{matrix}]$ , then verify that A'A=I.

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