17.2 The Fourier transform of f(t) is shown in Fig. P172. a) Find f(t). b) Evaluate f(0). c) Sketch f(t) for -150 s sts 150 s when A = 57 and wo = 100 rad/s. Hint: Remember that f(t) is Wrns "shinllae...

Extracted text: 17.2 The Fourier transform of f(t) is shown in Fig. P172. a) Find f(t). b) Evaluate f(0). c) Sketch f(t) for -150 s sts 150 s when A = 57 and wo = 100 rad/s. Hint: Remember that f(t) is Wrns "shinllae -1 to Is even. Figure P17.2 F(@) -wo/2 wo/2 -jA