Fourier Cosine Series
If
is an
Even Function
, then
and the
Fourier Series
collapses to
(1)
where
(2)
(3)
where the last equality is true because
(4)
Letting the range go to
,
(5)
(6)
See also
Even Function
,
Fourier Cosine Transform
,
Fourier Series
,
Fourier Sine Series
© 1996-9
Eric W. Weisstein
1999-05-26