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http://functions.wolfram.com/01.24.03.0131.01
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Sech[(17 Pi I)/10] == Sqrt[2 + 2/Sqrt[5]]
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Cell[BoxData[RowBox[List[RowBox[List["Sech", "[", FractionBox[RowBox[List["17", "\[Pi]", " ", "\[ImaginaryI]"]], "10"], "]"]], "\[Equal]", SqrtBox[RowBox[List["2", "+", FractionBox["2", SqrtBox["5"]]]]]]]]]
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<math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'> <semantics> <mrow> <mrow> <mi> sech </mi> <mo> ⁡ </mo> <mo> ( </mo> <mfrac> <mrow> <mn> 17 </mn> <mo> ⁢ </mo> <mi> π </mi> <mo> ⁢ </mo> <mi> ⅈ </mi> </mrow> <mn> 10 </mn> </mfrac> <mo> ) </mo> </mrow> <mo> ⩵ </mo> <msqrt> <mrow> <mn> 2 </mn> <mo> + </mo> <mfrac> <mn> 2 </mn> <msqrt> <mn> 5 </mn> </msqrt> </mfrac> </mrow> </msqrt> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <eq /> <apply> <sech /> <apply> <times /> <cn type='integer'> 17 </cn> <pi /> <imaginaryi /> <apply> <power /> <cn type='integer'> 10 </cn> <cn type='integer'> -1 </cn> </apply> </apply> </apply> <apply> <power /> <apply> <plus /> <cn type='integer'> 2 </cn> <apply> <times /> <cn type='integer'> 2 </cn> <apply> <power /> <apply> <power /> <cn type='integer'> 5 </cn> <cn type='rational'> 1 <sep /> 2 </cn> </apply> <cn type='integer'> -1 </cn> </apply> </apply> </apply> <cn type='rational'> 1 <sep /> 2 </cn> </apply> </apply> </annotation-xml> </semantics> </math>
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| Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["Sech", "[", FractionBox[RowBox[List["17", " ", "\[Pi]", " ", "\[ImaginaryI]"]], "10"], "]"]], "]"]], "\[RuleDelayed]", SqrtBox[RowBox[List["2", "+", FractionBox["2", SqrtBox["5"]]]]]]]]] |
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Date Added to functions.wolfram.com (modification date)
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){kind=small}
