Pls solve solve number 5

5) Determine the Fourier Series for f (x) = x] in the interval -TEX(x ) sin(nx) n=1 ( b) f (x ) = 2 + E(-1)" (1) cos(mx) n=1 (c) f(x) 2 "+E(-1)" (12 )cos(mx) + E(1 ) sin(mx) n=1 (d) f(xx) - 22 ( 1)" ( 6 1272 )/17 sin(nx) (e) f(x) = _(x-1) sin(nx) [10 M