DLMF:19.14.E2 (Q6307): Difference between revisions

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Property / constraint
 

cos ϕ = 3 - 1 + x 3 + 1 - x italic-ϕ 3 1 𝑥 3 1 𝑥 {\displaystyle{\displaystyle\cos\phi=\dfrac{\sqrt{3}-1+x}{\sqrt{3}+1-x}}}

\cos@@{\phi}=\dfrac{\sqrt{3}-1+x}{\sqrt{3}+1-x}
Property / constraint: cos ϕ = 3 - 1 + x 3 + 1 - x italic-ϕ 3 1 𝑥 3 1 𝑥 {\displaystyle{\displaystyle\cos\phi=\dfrac{\sqrt{3}-1+x}{\sqrt{3}+1-x}}} / rank
 
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Revision as of 17:06, 30 December 2019

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DLMF:19.14.E2
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    Statements

    x 1 d t 1 - t 3 = 3 - 1 / 4 F ( ϕ , k ) , superscript subscript 𝑥 1 𝑡 1 superscript 𝑡 3 superscript 3 1 4 elliptic-integral-first-kind-F italic-ϕ 𝑘 {\displaystyle{\displaystyle\int_{x}^{1}\frac{\mathrm{d}t}{\sqrt{1-t^{3}}}=3^{% -1/4}F\left(\phi,k\right),}}
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    cos ϕ = 3 - 1 + x 3 + 1 - x italic-ϕ 3 1 𝑥 3 1 𝑥 {\displaystyle{\displaystyle\cos\phi=\dfrac{\sqrt{3}-1+x}{\sqrt{3}+1-x}}}
    0 references