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For what numbers theta is f(theta)=cot(theta) not defined?

User DGS
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1 Answer

1 vote

as cosec theeta is inverse of sin theeta:
so
csc0=1/sin0
and sin0=0 when 0={0.pi,and 2pi}
when 0=0.pi,and 2pi
User Hod Caspi
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