Given f (t) = [cos (3t)]2. The value of L {f(t)} is _______________
Posted: Thu Jul 14, 2022 11:09 am
a) \(\frac{1}{2}(\frac{1}{s} + \frac{s}{s^2+36})\)
b) \(\frac{1}{4}(\frac{1}{s} + \frac{s}{s^2+36})\)
c) \(\frac{1}{5}(\frac{1}{s} + \frac{s}{s^2+36})\)
d) \(\frac{1}{8}(\frac{1}{s} + \frac{s}{s^2+36})\)
b) \(\frac{1}{4}(\frac{1}{s} + \frac{s}{s^2+36})\)
c) \(\frac{1}{5}(\frac{1}{s} + \frac{s}{s^2+36})\)
d) \(\frac{1}{8}(\frac{1}{s} + \frac{s}{s^2+36})\)