DLMF:14.5.E21 (Q4733): Difference between revisions

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Changed an Item: Add constraint
Changed an Item: Add constraint
 
Property / Symbols used
 
Property / Symbols used: Q11598 / rank
 
Normal rank
Property / Symbols used: Q11598 / qualifier
 
Defining formula:

0 < θ < π 0 𝜃 𝜋 {\displaystyle{\displaystyle 0<\theta<\pi}}

0<\theta<\pi
Property / Symbols used: Q11598 / qualifier
 
xml-id: C14.S5.XMD2.m1fdec

Latest revision as of 01:24, 2 January 2020

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DLMF:14.5.E21
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    Statements

    𝖯 - 1 2 ( cos θ ) = 2 π K ( sin ( 1 2 θ ) ) , shorthand-Ferrers-Legendre-P-first-kind 1 2 𝜃 2 𝜋 complete-elliptic-integral-first-kind-K 1 2 𝜃 {\displaystyle{\displaystyle\mathsf{P}_{-\frac{1}{2}}\left(\cos\theta\right)=% \frac{2}{\pi}K\left(\sin\left(\tfrac{1}{2}\theta\right)\right),}}
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    DLMF:14.5.E21
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    π {\displaystyle{\displaystyle\pi}}
    C3.S12.E1.m2aldec
    0 references
    K ( k ) complete-elliptic-integral-first-kind-K 𝑘 {\displaystyle{\displaystyle K\left(\NVar{k}\right)}}
    C19.S2.E8.m1aadec
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    cos z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    C4.S14.E2.m2agdec
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    𝖯 ν ( x ) = 𝖯 ν 0 ( x ) shorthand-Ferrers-Legendre-P-first-kind 𝜈 𝑥 Ferrers-Legendre-P-first-kind 0 𝜈 𝑥 {\displaystyle{\displaystyle\mathsf{P}_{\NVar{\nu}}\left(\NVar{x}\right)=% \mathsf{P}^{0}_{\nu}\left(x\right)}}
    C14.S2.SS2.p2.m2acdec
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    sin z 𝑧 {\displaystyle{\displaystyle\sin\NVar{z}}}
    C4.S14.E1.m2agdec
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    0 < θ < π 0 𝜃 𝜋 {\displaystyle{\displaystyle 0<\theta<\pi}}
    C14.S5.XMD2.m1fdec
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