Fourier cosine series
= Fourier cosine series
{c}
A Fourier cosine series has the form
$$
\frac{a_0}{2}+\sum_{n=1}^{\infty}a_n\cos(nx).
$$
It represents the <even function> obtained by reflecting its data across the origin.
= Fourier cosine series
{c}
A Fourier cosine series has the form
$$
\frac{a_0}{2}+\sum_{n=1}^{\infty}a_n\cos(nx).
$$
It represents the <even function> obtained by reflecting its data across the origin.