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 | | http://functions.wolfram.com/01.10.03.0147.01 | 
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 | | Csc[(15 Pi)/8] == -((2 (-1)^(5/8))/(-1 + (-1)^(1/4))) | 
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 | | Cell[BoxData[RowBox[List[RowBox[List["Csc", "[", FractionBox[RowBox[List["15", " ", "\[Pi]"]], "8"], "]"]], "\[Equal]", RowBox[List["-", FractionBox[RowBox[List["2", " ", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["5", "/", "8"]]]]], RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["1", "/", "4"]]]]]]]]]]]] | 
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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> csc </mi>  <mo> ⁡ </mo>  <mo> ( </mo>  <mfrac>  <mrow>  <mn> 15 </mn>  <mo> ⁢ </mo>  <mi> π </mi>  </mrow>  <mn> 8 </mn>  </mfrac>  <mo> ) </mo>  </mrow>  <mo> ⩵ </mo>  <mrow>  <mo> - </mo>  <mfrac>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <msup>  <mrow>  <mo> ( </mo>  <mrow>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  <mo> ) </mo>  </mrow>  <mrow>  <mn> 5 </mn>  <mo> / </mo>  <mn> 8 </mn>  </mrow>  </msup>  </mrow>  <mrow>  <mrow>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  <mo> + </mo>  <mroot>  <mrow>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  <mn> 4 </mn>  </mroot>  </mrow>  </mfrac>  </mrow>  </mrow>  <annotation-xml encoding='MathML-Content'>  <apply>  <eq />  <apply>  <csc />  <apply>  <times />  <cn type='integer'> 15 </cn>  <pi />  <apply>  <power />  <cn type='integer'> 8 </cn>  <cn type='integer'> -1 </cn>  </apply>  </apply>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <apply>  <times />  <cn type='integer'> 2 </cn>  <apply>  <power />  <cn type='integer'> -1 </cn>  <cn type='rational'> 5 <sep /> 8 </cn>  </apply>  <apply>  <power />  <apply>  <plus />  <cn type='integer'> -1 </cn>  <apply>  <power />  <cn type='integer'> -1 </cn>  <cn type='rational'> 1 <sep /> 4 </cn>  </apply>  </apply>  <cn type='integer'> -1 </cn>  </apply>  </apply>  </apply>  </apply>  </annotation-xml>  </semantics>  </math> 
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 | | Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["Csc", "[", FractionBox[RowBox[List["15", " ", "\[Pi]"]], "8"], "]"]], "]"]], "\[RuleDelayed]", RowBox[List["-", FractionBox[RowBox[List["2", " ", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["5", "/", "8"]]]]], RowBox[List[RowBox[List["-", "1"]], "+", SuperscriptBox[RowBox[List["(", RowBox[List["-", "1"]], ")"]], RowBox[List["1", "/", "4"]]]]]]]]]]]] | 
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 | | Date Added to functions.wolfram.com (modification date) | 
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