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 Cosh

 http://functions.wolfram.com/01.20.21.0044.01

 Input Form

 Integrate[Cosh[a z]/z^2, z] == -(Cosh[a z]/z) + a SinhIntegral[a z]

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List["\[Integral]", RowBox[List[FractionBox[RowBox[List["Cosh", "[", RowBox[List["a", " ", "z"]], "]"]], SuperscriptBox["z", "2"]], RowBox[List["\[DifferentialD]", "z"]]]]]], "\[Equal]", RowBox[List[RowBox[List["-", FractionBox[RowBox[List["Cosh", "[", RowBox[List["a", " ", "z"]], "]"]], "z"]]], "+", RowBox[List["a", " ", RowBox[List["SinhIntegral", "[", RowBox[List["a", " ", "z"]], "]"]]]]]]]]]]

 MathML Form

 cosh ( a z ) z 2 z a Shi ( a z ) - cosh ( a z ) z z a z z 2 -1 a SinhIntegral a z -1 a z z -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["\[Integral]", RowBox[List[FractionBox[RowBox[List["Cosh", "[", RowBox[List["a_", " ", "z_"]], "]"]], SuperscriptBox["z_", "2"]], RowBox[List["\[DifferentialD]", "z_"]]]]]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List["-", FractionBox[RowBox[List["Cosh", "[", RowBox[List["a", " ", "z"]], "]"]], "z"]]], "+", RowBox[List["a", " ", RowBox[List["SinhIntegral", "[", RowBox[List["a", " ", "z"]], "]"]]]]]]]]]]

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

 2002-12-18