Determine whether or not each of the following continuous- and discrete-time signals is periodic. If yes, determine its fundamental period.

(a) x(t) = e j(πt−1).
(b) x(t) = cos(2t − π3)

answer:

explanation:

assault rifle is a rapid-fire, magazine-fed rifle designed for military use. it is a shoulder-fired weapon that allows the shooter to select between semi-automatic (requiring you pull the trigger for each shot), fully automatic (hold the trigger and the gun continuously fires) or three-shot-burst modes.

answer:

i am not 100% sure but i think it is a.)

dont take my word for it

explanation: