DLMF:1.8#Ex1 (Q254)

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DLMF:1.8#Ex1
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    Statements

    test
    a n = 1 π ⁢ ∫ - π π f ⁢ ( x ) ⁢ cos ⁡ ( n ⁢ x ) ⁢ d x , subscript 𝑎 𝑛 1 𝜋 subscript superscript 𝜋 𝜋 𝑓 𝑥 𝑛 𝑥 𝑥 {\displaystyle{\displaystyle a_{n}=\frac{1}{\pi}\int^{\pi}_{-\pi}f(x)\cos\left% (nx\right)\mathrm{d}x,}}
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    DLMF id
    DLMF:1.8#Ex1
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    constraint
    n = 0 , 1 , 2 , … 𝑛 0 1 2 … {\displaystyle{\displaystyle n=0,1,2,\dots}}
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