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 Cosh

 http://functions.wolfram.com/01.20.21.4266.01

 Input Form

 Integrate[1/(Sinh[e z] - Cosh[e z]), z] == -((Cosh[e z] + Sinh[e z])/e)

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List["\[Integral]", RowBox[List[FractionBox["1", RowBox[List[RowBox[List["Sinh", "[", RowBox[List["e", " ", "z"]], "]"]], "-", RowBox[List["Cosh", "[", RowBox[List["e", " ", "z"]], "]"]]]]], RowBox[List["\[DifferentialD]", "z"]]]]]], "\[Equal]", RowBox[List["-", FractionBox[RowBox[List[RowBox[List["Cosh", "[", RowBox[List["e", " ", "z"]], "]"]], "+", RowBox[List["Sinh", "[", RowBox[List["e", " ", "z"]], "]"]]]], "e"]]]]]]]

 MathML Form

 1 sinh ( e z ) - cosh ( e z ) z - cosh ( e z ) + sinh ( e z ) e z 1 e z -1 e z -1 -1 e z e z e -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["\[Integral]", RowBox[List[FractionBox["1", RowBox[List[RowBox[List["Sinh", "[", RowBox[List["e_", " ", "z_"]], "]"]], "-", RowBox[List["Cosh", "[", RowBox[List["e_", " ", "z_"]], "]"]]]]], RowBox[List["\[DifferentialD]", "z_"]]]]]], "]"]], "\[RuleDelayed]", RowBox[List["-", FractionBox[RowBox[List[RowBox[List["Cosh", "[", RowBox[List["e", " ", "z"]], "]"]], "+", RowBox[List["Sinh", "[", RowBox[List["e", " ", "z"]], "]"]]]], "e"]]]]]]]

 Date Added to functions.wolfram.com (modification date)

 2002-12-18