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1 line
1.1 KiB
Plaintext
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<math xmlns="http://www.w3.org/1998/Math/MathML" display="block" ><mrow > <mi >Π</mi><mrow ><mo class="MathClass-open">(</mo><mrow><mi >n</mi><mo class="MathClass-punc">,</mo><mi >φ</mi><mo class="MathClass-punc">,</mo><mi >k</mi></mrow><mo class="MathClass-close">)</mo></mrow> <mo class="MathClass-rel">=</mo><msubsup><mrow ><mo class="MathClass-op"> ∫ <!--nolimits--></mo><!--nolimits--></mrow><mrow ><mn>0</mn></mrow><mrow ><mi >φ</mi></mrow></msubsup > <mfrac><mrow ><mi >d</mi><mi >θ</mi></mrow><mrow ><mrow ><mo class="MathClass-open">(</mo><mrow><mn>1</mn> <mo class="MathClass-bin">−</mo> <mi >n</mi><msup><mrow ><mo class="MathClass-op"> sin</mo><!--nolimits--> </mrow><mrow ><mn>2</mn></mrow></msup ><mi >θ</mi></mrow><mo class="MathClass-close">)</mo></mrow><msqrt><mrow><mn>1</mn> <mo class="MathClass-bin">−</mo> <msup><mrow ><mi >k</mi></mrow><mrow ><mn>2</mn> </mrow> </msup > <msup><mrow ><mo class="MathClass-op"> sin</mo> <!--nolimits--> </mrow><mrow ><mn>2</mn> </mrow> </msup > <mi >θ</mi></mrow></msqrt></mrow></mfrac></mrow></math>
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