A periodic fmction f(r) satisfying the condition f(x+1)=f(r) is graphed in the s) /2 q8. figure shown. -1/2 1/2 if the fourier series of this fiunction is writt

A periodic fmction f(r) satisfying the condition f(x+1)=f(r) is graphed in the S) /2 Q8. figure shown. -1/2 1/2 If the Fourier series of this fiunction is written as nTx S(x)=a, +a, +2b, sinthen the value of 9r'a, is