The Fourier sine series of f(x) on [0, 1] is Consider where L=1 a1 = The Fourier cosine series of f(x) on [0, L] is where ao = Am = , an = ,01 = ,n> 1 , n > 1 f(x) = 1, 0, if 0 x 2 if 2 < x < 4 f(x)~ an sin