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[" (bar( ) 1) ~ "4sqrt(4)quad A=[[cos t...

[" (bar( ) 1) ~ "4sqrt(4)quad A=[[cos theta,sin theta],[-sin theta,cos theta]]vec e," it fors anfira for "],[A^(n)=[[cos n theta,sin n theta],[-sin n theta,cos n theta]],n in N]

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