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 ArcCoth

 http://functions.wolfram.com/01.28.27.2997.01

 Input Form

 ArcCoth[1/Sqrt[z]] == 2 Sqrt[z] Sqrt[1/z] ArcCsch[Sqrt[(2 Sqrt[1 - z])/(1 - Sqrt[1 - z])]]

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List["ArcCoth", "[", FractionBox["1", SqrtBox["z"]], "]"]], "\[Equal]", RowBox[List["2", SqrtBox["z"], SqrtBox[FractionBox["1", "z"]], RowBox[List["ArcCsch", "[", SqrtBox[FractionBox[RowBox[List["2", SqrtBox[RowBox[List["1", "-", "z"]]]]], RowBox[List["1", "-", SqrtBox[RowBox[List["1", "-", "z"]]]]]]], "]"]]]]]]]]

 MathML Form

 coth - 1 ( 1 z ) 2 z 1 z csch - 1 ( 2 1 - z 1 - 1 - z ) 1 z 1 2 -1 2 z 1 2 1 z -1 1 2 2 1 -1 z 1 2 1 -1 1 -1 z 1 2 -1 1 2 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["ArcCoth", "[", FractionBox["1", SqrtBox["z_"]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List["2", " ", SqrtBox["z"], " ", SqrtBox[FractionBox["1", "z"]], " ", RowBox[List["ArcCsch", "[", SqrtBox[FractionBox[RowBox[List["2", " ", SqrtBox[RowBox[List["1", "-", "z"]]]]], RowBox[List["1", "-", SqrtBox[RowBox[List["1", "-", "z"]]]]]]], "]"]]]]]]]]

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

 2003-09-04