If $X=\left[\begin{array}{ll}1 & 0 \ 0 & 1\end{array} ight]$ and $Y=\left[\begin{array}{cc}0 & 1 \ -1 & 0\end{array} ight]$ and $B=\left[\begin{array}{cc}\cos heta & \sin heta \ -\sin heta & \cos heta\end{array} ight]$ then $B$ equals :

Question

If $X=\left[\begin{array}{ll}1 & 0 \ 0 & 1\end{array}ight]$ and $Y=\left[\begin{array}{cc}0 & 1 \ -1 & 0\end{array}ight]$ and $B=\left[\begin{array}{cc}\cos 	heta & \sin 	heta \ -\sin 	heta & \cos 	heta\end{array}ight]$ then $B$ equals :

Accepted Answer

Correct answer: D

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