find the value of cotsquare -1/sinsquare
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Cot sq. - 1/sin sq.
=cos sq. /sin sq. - 1/sin sq.
=cos sq. - 1 (whole upon) /sin sq.
=-(1-cos sq.) /sin sq.
=-(sin sq.) /sin sq.
=-1
=cos sq. /sin sq. - 1/sin sq.
=cos sq. - 1 (whole upon) /sin sq.
=-(1-cos sq.) /sin sq.
=-(sin sq.) /sin sq.
=-1
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