1<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> 2 <mrow> 3 <mi>ζ</mi> 4 <mfenced> 5 <mrow> 6 <mn>1</mn> 7 <mo>−</mo> 8 <mi>s</mi> 9 </mrow> 10 </mfenced> 11 <mspace width="1em"/> 12 <mo>=</mo> 13 <mspace width="1em"/> 14 <mn>2</mn> 15 <mi>sin</mi> 16 <mfenced> 17 <mrow> 18 <mi>π</mi> 19 <mfrac> 20 <mrow> 21 <mn>1</mn> 22 <mo>−</mo> 23 <mi>s</mi> 24 </mrow> 25 <mn>2</mn> 26 </mfrac> 27 </mrow> 28 </mfenced> 29 <mfenced> 30 <mrow> 31 <mn>2</mn> 32 <msup> 33 <mi>π</mi> 34 <mrow> 35 <mo>−</mo> 36 <mi>s</mi> 37 </mrow> 38 </msup> 39 </mrow> 40 </mfenced> 41 <mi>Γ</mi> 42 <mfenced> 43 <mrow> 44 <mi>s</mi> 45 </mrow> 46 </mfenced> 47 <mi>ζ</mi> 48 <mfenced> 49 <mrow> 50 <mi>s</mi> 51 </mrow> 52 </mfenced> 53 </mrow> 54</math>