Exercises 1-6 | A function f is given on the interval [-T, π] and fis periodic with period 27. (a) Find the Fourier coefficients of f. (b) Find the Fourier series of f. For what values of x is f(x) equal to its Fourier series? (c) Graph fand the partial sums S2, S4, and S6 of the Fourier series. 1 if Tx<0 1. f(x): = if 0 < x <πT