Signals and Systems - Engineering

Q1:

cos(nω1t) =

A 0.5 (ejnω1t + e-jnω1t)

B 0.05

C
(ejnω1t + e-jnω1t)

D
(ejnω1t - e-jnω1t)

ANS:A - 0.5 (ejnω1t + e-jnω1t)

No answer description is available.