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 JacobiCN

 http://functions.wolfram.com/09.26.27.0016.01

 Input Form

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

 Standard Form

 Cell[BoxData[RowBox[List[SuperscriptBox[RowBox[List["JacobiCN", "[", RowBox[List["z", ",", "m"]], "]"]], "2"], "\[Equal]", FractionBox[RowBox[List["1", "+", RowBox[List[RowBox[List["(", RowBox[List["m", "-", "1"]], ")"]], " ", SuperscriptBox[RowBox[List["JacobiND", "[", RowBox[List["z", ",", "m"]], "]"]], "2"]]]]], RowBox[List["m", " ", SuperscriptBox[RowBox[List["JacobiND", "[", RowBox[List["z", ",", "m"]], "]"]], "2"]]]]]]]]

 MathML Form

 cn ( z m ) 2 ( m - 1 ) nd ( z m ) 2 + 1 m nd ( z m ) 2 JacobiCN z m 2 m -1 JacobiND z m 2 1 m JacobiND z m 2 -1 [/itex]

 Rule Form

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

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

 2001-10-29