DLMF:1.8#Ex1
(Q254)
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English
DLMF:1.8#Ex1
No description defined
Statements
Defining formula
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,}}
0 references
DLMF id
DLMF:1.8#Ex1
0 references
constraint
n
=
0
,
1
,
2
,
…
𝑛
0
1
2
…
{\displaystyle{\displaystyle n=0,1,2,\dots}}
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