DLMF:3.11.E6 (Q1447): Difference between revisions

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Property / constraint
 

- 1 x 1 1 𝑥 1 {\displaystyle{\displaystyle-1\leq x\leq 1}}

-1\leq x\leq 1
Property / constraint: - 1 x 1 1 𝑥 1 {\displaystyle{\displaystyle-1\leq x\leq 1}} / rank
 
Normal rank

Revision as of 15:57, 30 December 2019

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DLMF:3.11.E6
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    Statements

    T n ( x ) = cos ( n arccos x ) , Chebyshev-polynomial-first-kind-T 𝑛 𝑥 𝑛 𝑥 {\displaystyle{\displaystyle T_{n}\left(x\right)=\cos\left(n\operatorname{% arccos}x\right),}}
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    - 1 x 1 1 𝑥 1 {\displaystyle{\displaystyle-1\leq x\leq 1}}
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