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 ArcSin

 http://functions.wolfram.com/01.12.27.1287.01

 Input Form

 ArcSin[1 - 2 z^2] == (3 Pi)/2 - 2 I ArcCosh[z] /; Inequality[-Pi, Less, Arg[z], LessEqual, -(Pi/2)]

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["ArcSin", "[", RowBox[List["1", "-", RowBox[List["2", " ", SuperscriptBox["z", "2"]]]]], "]"]], "\[Equal]", RowBox[List[FractionBox[RowBox[List["3", "\[Pi]"]], "2"], "-", RowBox[List["2", "\[ImaginaryI]", " ", RowBox[List["ArcCosh", "[", "z", "]"]]]]]]]], "/;", RowBox[List[RowBox[List["-", "\[Pi]"]], "<", RowBox[List["Arg", "[", "z", "]"]], "\[LessEqual]", RowBox[List["-", FractionBox["\[Pi]", "2"]]]]]]]]]

 MathML Form

 sin - 1 ( 1 - 2 z 2 ) 3 π 2 - 2 cosh - 1 ( z ) /; - π < arg ( z ) - π 2 Condition 1 -1 2 z 2 3 2 -1 -1 2 z Inequality -1 z -1 2 -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["ArcSin", "[", RowBox[List["1", "-", RowBox[List["2", " ", SuperscriptBox["z_", "2"]]]]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List[FractionBox[RowBox[List["3", " ", "\[Pi]"]], "2"], "-", RowBox[List["2", " ", "\[ImaginaryI]", " ", RowBox[List["ArcCosh", "[", "z", "]"]]]]]], "/;", RowBox[List[RowBox[List["-", "\[Pi]"]], "<", RowBox[List["Arg", "[", "z", "]"]], "\[LessEqual]", RowBox[List["-", FractionBox["\[Pi]", "2"]]]]]]]]]]]

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

 2003-08-21