Find the period of the given signal: jejω3t

Find the value of a₀ for the function f(x) = √[(1 - cos x) / 2].

Which of the following is Periodic signal?

What is the period of the following signal, x(t) = sin(18*pi*t + 78 deg)?

What is the width of each recording track on an audio cassette?

Which one of the following is an example of a bounded signal?

If the Laplace transform of f(t) is F(s), what is the value of L{f(t+a)}?

For a message signal m(t) = 30*cos(100t) with 70% modulation, the maximum envelope time will be

An example of a discrete set of information/system is

A carrier is simultaneously modulated by two sine waves with modulation indices of 0.4 and 0.3. The resultant modulation index will be: