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 ArcCoth

 http://functions.wolfram.com/01.28.27.1930.01

 Input Form

 ArcCoth[z] == (-(1/2)) ArcSinh[(2 z)/(1 - z^2)] /; Abs[z] > 1

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["ArcCoth", "[", "z", "]"]], "\[Equal]", RowBox[List[RowBox[List["-", FractionBox["1", "2"]]], RowBox[List["ArcSinh", "[", FractionBox[RowBox[List["2", " ", "z"]], RowBox[List["1", "-", SuperscriptBox["z", "2"]]]], "]"]]]]]], "/;", RowBox[List[RowBox[List["Abs", "[", "z", "]"]], ">", "1"]]]]]]

 MathML Form

 coth - 1 ( z ) - 1 2 sinh - 1 ( 2 z 1 - z 2 ) /; "\[LeftBracketingBar]" z "\[RightBracketingBar]" > 1 Condition z -1 1 2 2 z 1 -1 z 2 -1 z 1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["ArcCoth", "[", "z_", "]"]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List[RowBox[List["-", FractionBox["1", "2"]]], " ", RowBox[List["ArcSinh", "[", FractionBox[RowBox[List["2", " ", "z"]], RowBox[List["1", "-", SuperscriptBox["z", "2"]]]], "]"]]]], "/;", RowBox[List[RowBox[List["Abs", "[", "z", "]"]], ">", "1"]]]]]]]]

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

 2003-09-04