if-1-1-cosx-a-0-2-n-1-a-n-cos-nx-calculate-a-0-and-a-n-

Question Number 35580 by abdo mathsup 649 cc last updated on 20/May/18

i f \frac{1}{1 + c o s x} = \frac{a_{0}}{2} + \sum_{n = 1}^{\infty} a_{n} c o s (n x) c a l c u l a t e a_{0}

a n d a_{n}