DLMF:4.23.E24 (Q1776)

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DLMF:4.23.E24
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    Statements

    test
    arccos ⁡ x = ∓ i ⁢ ln ⁡ ( ( x 2 - 1 ) 1 / 2 + x ) , 𝑥 minus-or-plus 𝑖 superscript superscript 𝑥 2 1 1 2 𝑥 {\displaystyle{\displaystyle\operatorname{arccos}x=\mp i\ln\left((x^{2}-1)^{1/% 2}+x\right),}}
    0 references
    DLMF id
    DLMF:4.23.E24
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    constraint
    x ∈ [ 1 , ∞ ) 𝑥 1 {\displaystyle{\displaystyle x\in[1,\infty)}}
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    Symbols used
    Q11243
    test
    [ a , b ) 𝑎 𝑏 {\displaystyle{\displaystyle[\NVar{a},\NVar{b})}}
    xml-id
    introduction.Sx4.p2.t1.r1.m4aadec
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