2 - Determine an coefficient of the trigonometric Fourier series for the periodic signal shown below. f(t) 1 t(s) 0 1 2 3 4 5 6 7 8 9 10 a) (sin(nw) - sin(2nw)}(nw) + sin(nw)/(2nw) b) (sin(nw) - sin(2nw)/(2nw) + sin(nw)/(nw) none of these (sin(nw) - sin(2nwynw) + sin(2nw)/(2nw) (sin(2nw) - sin(2w)>(2nw) + sin(nw)/(nw) (sin(nw) - sin(2nw))/(2nw) + sin(2nw)/(nw) e) f)