DLMF:4.23.E25 (Q1777): Difference between revisions

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Property / Symbols used
 
Property / Symbols used: Q10784 / rank
 
Normal rank
Property / Symbols used: Q10784 / qualifier
 
test:

∈ {\displaystyle{\displaystyle\in}}

\in
Property / Symbols used: Q10784 / qualifier
 
xml-id: introduction.Sx4.p1.t1.r10.m2afdec

Revision as of 17:33, 1 January 2020

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DLMF:4.23.E25
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    Statements

    test
    arccos ⁡ x = π ∓ i ⁢ ln ⁡ ( ( x 2 - 1 ) 1 / 2 - x ) , 𝑥 minus-or-plus 𝜋 𝑖 superscript superscript 𝑥 2 1 1 2 𝑥 {\displaystyle{\displaystyle\operatorname{arccos}x=\pi\mp i\ln\left((x^{2}-1)^% {1/2}-x\right),}}
    0 references
    DLMF id
    DLMF:4.23.E25
    0 references
    constraint
    x ∈ ( - ∞ , - 1 ] 𝑥 1 {\displaystyle{\displaystyle x\in(-\infty,-1]}}
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    Symbols used
    the ratio of the circumference of a circle to its diameter
    test
    π {\displaystyle{\displaystyle\pi}}
    xml-id
    C3.S12.E1.m2ahdec
    0 references
    Q10784
    test
    ∈ {\displaystyle{\displaystyle\in}}
    xml-id
    introduction.Sx4.p1.t1.r10.m2afdec
    0 references
     
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