gives the hyperbolic cosecant of z.


  • Mathematical function, suitable for both symbolic and numerical manipulation.
  • .
  • 1/Sinh[z] is automatically converted to Csch[z]. TrigFactorList[expr] does decomposition.
  • For certain special arguments, Csch automatically evaluates to exact values.
  • Csch can be evaluated to arbitrary numerical precision.
  • Csch automatically threads over lists.
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