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 Csc

 http://functions.wolfram.com/01.10.16.0042.01

 Input Form

 Csc[a]^2 - Sec[b]^2 == Cos[a - b] Cos[a + b] Csc[a]^2 Sec[b]^2

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List[SuperscriptBox[RowBox[List["Csc", "[", "a", "]"]], "2"], "-", SuperscriptBox[RowBox[List["Sec", "[", "b", "]"]], "2"]]], "\[Equal]", RowBox[List[RowBox[List["Cos", "[", RowBox[List["a", "-", "b"]], "]"]], " ", RowBox[List["Cos", "[", RowBox[List["a", "+", "b"]], "]"]], " ", SuperscriptBox[RowBox[List["Csc", "[", "a", "]"]], "2"], " ", SuperscriptBox[RowBox[List["Sec", "[", "b", "]"]], "2"]]]]]]]

 MathML Form

 csc 2 ( a ) - sec 2 ( b ) cos ( a - b ) cos ( a + b ) csc 2 ( a ) sec 2 ( b ) a 2 -1 b 2 a -1 b a b a 2 b 2 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List[SuperscriptBox[RowBox[List["Csc", "[", "a_", "]"]], "2"], "-", SuperscriptBox[RowBox[List["Sec", "[", "b_", "]"]], "2"]]], "]"]], "\[RuleDelayed]", RowBox[List[RowBox[List["Cos", "[", RowBox[List["a", "-", "b"]], "]"]], " ", RowBox[List["Cos", "[", RowBox[List["a", "+", "b"]], "]"]], " ", SuperscriptBox[RowBox[List["Csc", "[", "a", "]"]], "2"], " ", SuperscriptBox[RowBox[List["Sec", "[", "b", "]"]], "2"]]]]]]]

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

 2001-10-29

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