DLMF:4.32.E4 (Q1857): Difference between revisions

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imported>Admin
Property / constraint
 

x 0 𝑥 0 {\displaystyle{\displaystyle x\geq 0}}

x\geq 0
Property / constraint: x 0 𝑥 0 {\displaystyle{\displaystyle x\geq 0}} / rank
 
Normal rank

Revision as of 16:02, 30 December 2019

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DLMF:4.32.E4
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    Statements

    arctan x 1 2 π tanh x , 𝑥 1 2 𝜋 𝑥 {\displaystyle{\displaystyle\operatorname{arctan}x\leq\tfrac{1}{2}\pi\tanh x,}}
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    x 0 𝑥 0 {\displaystyle{\displaystyle x\geq 0}}
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