if-1-cos-x-1-a-0-2-n-1-n-a-n-cos-nx-find-a-0-and-a-n-you-can-use-fourier-series-

Question Number 26054 by abdo imad last updated on 18/Dec/17

i f {(1 + c o s (x))}^{- 1} = a_{0} /_{2} + \sum_{n = 1}^{n =\propto} a_{n} c o s (n x))

f i n d a_{0} a n d a_{n} \dots y o u c a n u s e f o u r i e r

s e r i e s .