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If A=[(costheta, sin theta),(-sintheta, ...

If `A=[(costheta, sin theta),(-sintheta, costheta)]` then `lim_(nrarroo) A^n/n is (where theta epsilon R)` (A) an idenity matrix (B) a zero matrix (C) `[(1,0),(0,1)]` (D) `[(0,1),(-1,-0)]`

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