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 ArcCoth

 http://functions.wolfram.com/01.28.16.0184.01

 Input Form

 ArcCoth[x] + ArcCsch[y] == ((Sqrt[1 - 1/x^2] x y Sqrt[-((1 + x^2 + 2 x Sqrt[1 + 1/y^2] y + y^2)/ ((-1 + x^2) y^2))])/(x + Sqrt[1 + 1/y^2] y)) ArcSin[(Sqrt[1 + 1/y^2] + 1/(x y))/Sqrt[1 - 1/x^2]] - (Pi Sqrt[1 - 1/x^2] x y Sqrt[-((1 + x^2 + 2 x Sqrt[1 + 1/y^2] y + y^2)/ ((-1 + x^2) y^2))])/(2 (x + Sqrt[1 + 1/y^2] y)) - I Pi (1 - (I Sqrt[1 - 1/x^2] x y Sqrt[-((1 + x^2 + 2 x Sqrt[1 + 1/y^2] y + y^2)/((-1 + x^2) y^2))])/ (x + Sqrt[1 + 1/y^2] y)) Floor[(Arg[(I - I/x)/Sqrt[1 - 1/x^2]] + Arg[Sqrt[1 + 1/y^2] - 1/y])/ (2 Pi)] + I Pi (-1 - (I Sqrt[1 - 1/x^2] x y Sqrt[-((1 + x^2 + 2 x Sqrt[1 + 1/y^2] y + y^2)/((-1 + x^2) y^2))])/ (x + Sqrt[1 + 1/y^2] y)) Floor[-((-Pi + Arg[(I - I/x)/Sqrt[1 - 1/x^2]] + Arg[Sqrt[1 + 1/y^2] - 1/y])/(2 Pi))]

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["ArcCoth", "[", "x", "]"]], "+", RowBox[List["ArcCsch", "[", "y", "]"]]]], "\[Equal]", RowBox[List[RowBox[List[FractionBox[RowBox[List[SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]], " ", "x", " ", "y", " ", SqrtBox[RowBox[List["-", FractionBox[RowBox[List["1", "+", SuperscriptBox["x", "2"], "+", RowBox[List["2", " ", "x", " ", SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]], "+", SuperscriptBox["y", "2"]]], RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox["x", "2"]]], ")"]], " ", SuperscriptBox["y", "2"]]]]]]], " "]], RowBox[List["x", "+", RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]]]]], RowBox[List["ArcSin", "[", FractionBox[RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], "+", FractionBox["1", RowBox[List["x", " ", "y"]]]]], SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]]], "]"]]]], "-", FractionBox[RowBox[List["\[Pi]", " ", SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]], " ", "x", " ", "y", " ", SqrtBox[RowBox[List["-", FractionBox[RowBox[List["1", "+", SuperscriptBox["x", "2"], "+", RowBox[List["2", " ", "x", " ", SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]], "+", SuperscriptBox["y", "2"]]], RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox["x", "2"]]], ")"]], " ", SuperscriptBox["y", "2"]]]]]]]]], RowBox[List["2", " ", RowBox[List["(", RowBox[List["x", "+", RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]]]], ")"]]]]], "-", RowBox[List["\[ImaginaryI]", " ", "\[Pi]", " ", RowBox[List["(", RowBox[List["1", "-", FractionBox[RowBox[List["\[ImaginaryI]", " ", SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]], " ", "x", " ", "y", " ", SqrtBox[RowBox[List["-", FractionBox[RowBox[List["1", "+", SuperscriptBox["x", "2"], "+", RowBox[List["2", " ", "x", " ", SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]], "+", SuperscriptBox["y", "2"]]], RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox["x", "2"]]], ")"]], " ", SuperscriptBox["y", "2"]]]]]]]]], RowBox[List["x", "+", RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]]]]]]], ")"]], " ", RowBox[List["Floor", "[", FractionBox[RowBox[List[RowBox[List["Arg", "[", FractionBox[RowBox[List["\[ImaginaryI]", "-", FractionBox["\[ImaginaryI]", "x"]]], SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]]], "]"]], "+", RowBox[List["Arg", "[", RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], "-", FractionBox["1", "y"]]], "]"]]]], RowBox[List["2", " ", "\[Pi]"]]], "]"]]]], "+", RowBox[List["\[ImaginaryI]", " ", "\[Pi]", " ", RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "-", FractionBox[RowBox[List["\[ImaginaryI]", " ", SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]], " ", "x", " ", "y", " ", SqrtBox[RowBox[List["-", FractionBox[RowBox[List["1", "+", SuperscriptBox["x", "2"], "+", RowBox[List["2", " ", "x", " ", SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]], "+", SuperscriptBox["y", "2"]]], RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox["x", "2"]]], ")"]], " ", SuperscriptBox["y", "2"]]]]]]]]], RowBox[List["x", "+", RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]]]]]]], ")"]], " ", RowBox[List["Floor", "[", RowBox[List["-", FractionBox[RowBox[List[RowBox[List["-", "\[Pi]"]], "+", RowBox[List["Arg", "[", FractionBox[RowBox[List["\[ImaginaryI]", "-", FractionBox["\[ImaginaryI]", "x"]]], SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]]], "]"]], "+", RowBox[List["Arg", "[", RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], "-", FractionBox["1", "y"]]], "]"]]]], RowBox[List["2", " ", "\[Pi]"]]]]], "]"]]]]]]]]]]

 MathML Form

 coth - 1 ( x ) + csch - 1 ( y ) x 1 - 1 x 2 - x 2 + 2 y 1 + 1 y 2 x + y 2 + 1 ( x 2 - 1 ) y 2 y x + y 1 + 1 y 2 sin - 1 ( 1 + 1 y 2 + 1 x y 1 - 1 x 2 ) - π 1 - 1 x 2 x - x 2 + 2 y 1 + 1 y 2 x + y 2 + 1 ( x 2 - 1 ) y 2 y 2 ( x + y 1 + 1 y 2 ) - π ( 1 - 1 - 1 x 2 x y - x 2 + 2 y 1 + 1 y 2 x + y 2 + 1 ( x 2 - 1 ) y 2 x + y 1 + 1 y 2 ) arg ( - x 1 - 1 x 2 ) + arg ( 1 + 1 y 2 - 1 y ) 2 π + π ( - 1 - 1 x 2 x - x 2 + 2 y 1 + 1 y 2 x + y 2 + 1 ( x 2 - 1 ) y 2 y x + y 1 + 1 y 2 - 1 ) - arg ( - x 1 - 1 x 2 ) + arg ( 1 + 1 y 2 - 1 y ) - π 2 π x y x 1 -1 1 x 2 -1 1 2 -1 x 2 2 y 1 1 y 2 -1 1 2 x y 2 1 x 2 -1 y 2 -1 1 2 y x y 1 1 y 2 -1 1 2 -1 1 1 y 2 -1 1 2 1 x y -1 1 -1 1 x 2 -1 1 2 -1 -1 1 -1 1 x 2 -1 1 2 x -1 x 2 2 y 1 1 y 2 -1 1 2 x y 2 1 x 2 -1 y 2 -1 1 2 y 2 x y 1 1 y 2 -1 1 2 -1 -1 1 -1 1 -1 1 x 2 -1 1 2 x y -1 x 2 2 y 1 1 y 2 -1 1 2 x y 2 1 x 2 -1 y 2 -1 1 2 x y 1 1 y 2 -1 1 2 -1 -1 x -1 1 -1 1 x 2 -1 1 2 -1 1 1 y 2 -1 1 2 -1 1 y -1 2 -1 -1 1 -1 1 x 2 -1 1 2 x -1 x 2 2 y 1 1 y 2 -1 1 2 x y 2 1 x 2 -1 y 2 -1 1 2 y x y 1 1 y 2 -1 1 2 -1 -1 -1 -1 x -1 1 -1 1 x 2 -1 1 2 -1 1 1 y 2 -1 1 2 -1 1 y -1 -1 2 -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[RowBox[List["ArcCoth", "[", "x_", "]"]], "+", RowBox[List["ArcCsch", "[", "y_", "]"]]]], "]"]], "\[RuleDelayed]", RowBox[List[FractionBox[RowBox[List[RowBox[List["(", RowBox[List[SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]], " ", "x", " ", "y", " ", SqrtBox[RowBox[List["-", FractionBox[RowBox[List["1", "+", SuperscriptBox["x", "2"], "+", RowBox[List["2", " ", "x", " ", SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]], "+", SuperscriptBox["y", "2"]]], RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox["x", "2"]]], ")"]], " ", SuperscriptBox["y", "2"]]]]]]]]], ")"]], " ", RowBox[List["ArcSin", "[", FractionBox[RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], "+", FractionBox["1", RowBox[List["x", " ", "y"]]]]], SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]]], "]"]]]], RowBox[List["x", "+", RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]]]]], "-", FractionBox[RowBox[List["\[Pi]", " ", SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]], " ", "x", " ", "y", " ", SqrtBox[RowBox[List["-", FractionBox[RowBox[List["1", "+", SuperscriptBox["x", "2"], "+", RowBox[List["2", " ", "x", " ", SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]], "+", SuperscriptBox["y", "2"]]], RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox["x", "2"]]], ")"]], " ", SuperscriptBox["y", "2"]]]]]]]]], RowBox[List["2", " ", RowBox[List["(", RowBox[List["x", "+", RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]]]], ")"]]]]], "-", RowBox[List["\[ImaginaryI]", " ", "\[Pi]", " ", RowBox[List["(", RowBox[List["1", "-", FractionBox[RowBox[List["\[ImaginaryI]", " ", SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]], " ", "x", " ", "y", " ", SqrtBox[RowBox[List["-", FractionBox[RowBox[List["1", "+", SuperscriptBox["x", "2"], "+", RowBox[List["2", " ", "x", " ", SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]], "+", SuperscriptBox["y", "2"]]], RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox["x", "2"]]], ")"]], " ", SuperscriptBox["y", "2"]]]]]]]]], RowBox[List["x", "+", RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]]]]]]], ")"]], " ", RowBox[List["Floor", "[", FractionBox[RowBox[List[RowBox[List["Arg", "[", FractionBox[RowBox[List["\[ImaginaryI]", "-", FractionBox["\[ImaginaryI]", "x"]]], SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]]], "]"]], "+", RowBox[List["Arg", "[", RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], "-", FractionBox["1", "y"]]], "]"]]]], RowBox[List["2", " ", "\[Pi]"]]], "]"]]]], "+", RowBox[List["\[ImaginaryI]", " ", "\[Pi]", " ", RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "-", FractionBox[RowBox[List["\[ImaginaryI]", " ", SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]], " ", "x", " ", "y", " ", SqrtBox[RowBox[List["-", FractionBox[RowBox[List["1", "+", SuperscriptBox["x", "2"], "+", RowBox[List["2", " ", "x", " ", SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]], "+", SuperscriptBox["y", "2"]]], RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox["x", "2"]]], ")"]], " ", SuperscriptBox["y", "2"]]]]]]]]], RowBox[List["x", "+", RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], " ", "y"]]]]]]], ")"]], " ", RowBox[List["Floor", "[", RowBox[List["-", FractionBox[RowBox[List[RowBox[List["-", "\[Pi]"]], "+", RowBox[List["Arg", "[", FractionBox[RowBox[List["\[ImaginaryI]", "-", FractionBox["\[ImaginaryI]", "x"]]], SqrtBox[RowBox[List["1", "-", FractionBox["1", SuperscriptBox["x", "2"]]]]]], "]"]], "+", RowBox[List["Arg", "[", RowBox[List[SqrtBox[RowBox[List["1", "+", FractionBox["1", SuperscriptBox["y", "2"]]]]], "-", FractionBox["1", "y"]]], "]"]]]], RowBox[List["2", " ", "\[Pi]"]]]]], "]"]]]]]]]]]]

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

 2007-05-02