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Let A=[[cos theta,-sin theta],[sin theta...

Let `A=[[cos theta,-sin theta],[sin theta,cos theta]]` Find the value of `A^(-50)` at `theta=(pi)/2` (A) ` [[-(sqrt(3))/(2),-(1)/(2)],[-(1)/(2),(sqrt(3))/(2)]]` (B) ` [[(sqrt(3))/(2),(1)/(2)],[(-1)/(2),(sqrt(3))/(2)]]` (C) ` [[-(sqrt(3))/(2),(1)/(2)],[(1)/(2),(sqrt(3))/(2)]]` (D) ` [[(1)/(2),(sqrt(3))/(2)],[(sqrt(3))/(2),(-1)/(2)]]`

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