Mathematics, 15.10.2019 16:20 lopezsharon333

Simplify the expression ( csc y + cot y ) times ( csc y - cot y ) over csc y

a.-sin y
b. cos y
c. sin y
d. csc y

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Simplify the expression ( csc y + cot y ) times ( csc y - cot y ) over csc y

a.-sin y

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