If A- cos- sin- -sin- cos- - then find A2-

Given A=[ cosα amp;sinα; sinα amp;cosα ] ∴ A^2=AA=[ cosα amp;sinα; sinα amp;cosα ][ cosα amp;sinα; sinα amp;cosα ] = [ ...

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Multiplication of Matrices

If A=[ cosα...

Question

If $A = [\begin{matrix} cos α & sin α - sin α & cos α \end{matrix}]$ , then find $A^{2}$ .

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