mine whether the following are periodic or otherwise .2T [n] = en u + e' 4 [u] (t) = cos(t) + cos(2.5t) E ça t) = sinnt ((cos (t) + 2sin(- t) 191 3 (7) 3

For a perlodic waveform h(t), if its complex Fourler coefficients are 5T 5T 5T 2n2n /- 4nm when n is odd ST when n is even and not zero 4nn please derive the first five non-zero terms of the real Fourler serles for h(t). 5-

Please take your time and make sure the answer is correct, and show all work. Thank you!

Please answer some part in typing format..

The fundamental period of the signal X (t) = cos(3πt/5) + cos(3t/57) is     Please answer in typing format solution please only

Fourier Expansions of Periodic Waveforms given in the Figures. Find it. Show on the amplitude-frequency axis. f=1/T 2nf=w a) b) f(t) T f(t) for -V T

Solve for parts d,e,f

Calculate the following complex numbers and express the results in polar form:

in 10 min

5. Determine whether the following signals is periodic or not. If periodic, find the fundamental period and fundamental frequency. a) g(t) = 8 sin(400nt) + 2cos (500tt) 2nn 2 πη. b) g[n] = 5 cos () + sin () 8 6. Graph even and odd parts of the following signal. x[n] = rect5[n + 2] CS CamScanner - Wguo sguaall