Which of the functions describe the sinusoidal graph below? 1 f(t) 0 714 f(t) = u(tπ/4) sin(t - π/4) Option 1 |f(t) = u(tπ/6) sin (t - π/6) f(t) = f(t) O Option 2 2T t u(t - π/4) sin (t) sin (t – π/4) -

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