Question

For the following functions, determine if the functions are periodic. If so, find the shortest period. A. x(t) = (t2-1)cos(t) B. x(t)-cos(nt) +5 sin(5πt) C. x[n] = sin[n] + cos[n] D. x(t) cos(3t) + sin(Tt) E. x[n] = cos(m) + 1 F. x(t)-(sin nt)(cos πt) | 2

Answer 1

A Not Periodic

B Periodic

C Periodic

D Not Periodic

E Periodic

F Periodic

Step-by-step explanation:

The detailed steps to ascertain the periodicity or the non periodicity of each functions is as shown in the attached file.