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[" 7.If "A=[[1,sin theta,1],[-sin theta,...

[" 7.If "A=[[1,sin theta,1],[-sin theta,1,sin theta],[-1,-sin theta,1]];" then for "],[theta in((3 pi)/(4),(5 pi)/(4)),det(A)" lies in the interval: "],[[" (1) "[(5)/(2),4)," (2) "((3)/(2),3]],[" (3) "(0,(3)/(2)]," (4) "(1,(5)/(2)]]]

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