csch( z )
The hyperbolic cosecant of z in SageMath. The reciprocal of the hyperbolic sine:
\[ \operatorname{csch} z = \frac{ 1 }{ \sinh z } \]Plot on the real axis:
Series expansion about the origin:
Special values:
Related functions: sinh arccsch acsch
Function category: hyperbolic functions sagemath-docs