Q.If $A = \begin{pmatrix} \cos \theta & \sin \theta \ -\sin \theta & \cos \theta \end{pmatrix}$ , then $\det(A^{50} - A^{48})$ equals

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Q.If A=(cos⁡θsin⁡θ −sin⁡θcos⁡θ)A = \begin{pmatrix} \cos \theta & \sin \theta \ -\sin \theta & \cos \theta \end{pmatrix}A=(cosθ​sinθ −sinθ​cosθ​), then det⁡(A50−A48)\det(A^{50} - A^{48})det(A50−A48) equals