DLMF:4.23.E24 (Q1776): Difference between revisions

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Property / constraint
 

x [ 1 , ) 𝑥 1 {\displaystyle{\displaystyle x\in[1,\infty)}}

x\in[1,\infty)
Property / constraint: x [ 1 , ) 𝑥 1 {\displaystyle{\displaystyle x\in[1,\infty)}} / rank
 
Normal rank

Revision as of 16:01, 30 December 2019

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DLMF:4.23.E24
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    Statements

    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),}}
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    x [ 1 , ) 𝑥 1 {\displaystyle{\displaystyle x\in[1,\infty)}}
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