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 JacobiDC

 http://functions.wolfram.com/09.28.27.0028.01

 Input Form

 JacobiDC[z, m] == (m JacobiCN[z, m] JacobiDN[z, m])/ (-1 + m + JacobiDN[z, m]^2)

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List["JacobiDC", "[", RowBox[List["z", ",", "m"]], "]"]], "\[Equal]", FractionBox[RowBox[List["m", " ", RowBox[List["JacobiCN", "[", RowBox[List["z", ",", "m"]], "]"]], " ", RowBox[List["JacobiDN", "[", RowBox[List["z", ",", "m"]], "]"]]]], RowBox[List[RowBox[List["-", "1"]], "+", "m", "+", SuperscriptBox[RowBox[List["JacobiDN", "[", RowBox[List["z", ",", "m"]], "]"]], "2"]]]]]]]]

 MathML Form

 dc ( z m ) m cn ( z m ) dn ( z m ) dn ( z m ) 2 + m - 1 JacobiDC z m m JacobiCN z m JacobiDN z m JacobiDN z m 2 m -1 -1 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["JacobiDC", "[", RowBox[List["z_", ",", "m_"]], "]"]], "]"]], "\[RuleDelayed]", FractionBox[RowBox[List["m", " ", RowBox[List["JacobiCN", "[", RowBox[List["z", ",", "m"]], "]"]], " ", RowBox[List["JacobiDN", "[", RowBox[List["z", ",", "m"]], "]"]]]], RowBox[List[RowBox[List["-", "1"]], "+", "m", "+", SuperscriptBox[RowBox[List["JacobiDN", "[", RowBox[List["z", ",", "m"]], "]"]], "2"]]]]]]]]

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

 2007-05-02