Question

find the value of cotsquare -1/sinsquare

Answer 1

Hope it will help you

Answer 2

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