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 Sin

 http://functions.wolfram.com/01.06.03.0151.01

 Input Form

 Sin[(17 Pi)/9] == (1/2) (-1)^(7/18) (-1 + (-1)^(2/9))

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List["Sin", "[", FractionBox[RowBox[List["17", " ", "\[Pi]"]], "9"], "]"]], "\[Equal]", RowBox[List[FractionBox["1", "2"], " ", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["7", "/", "18"]]], " ", RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["2", "/", "9"]]]]], ")"]]]]]]]]

 MathML Form

 sin ( 17 π 9 ) 1 2 ( - 1 ) 7 / 18 ( - 1 + ( - 1 ) 2 / 9 ) 17 9 -1 1 2 -1 7 18 -1 -1 2 9 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["Sin", "[", FractionBox[RowBox[List["17", " ", "\[Pi]"]], "9"], "]"]], "]"]], "\[RuleDelayed]", RowBox[List[FractionBox["1", "2"], " ", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["7", "/", "18"]]], " ", RowBox[List["(", RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["2", "/", "9"]]]]], ")"]]]]]]]]

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

 2001-10-29

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