Question

Can someone help me: Thanks!

Answer 1

if \(t=\frac{1}{\pi}\) then \(\pi t=1\) right?

Answer 2

yep

Answer 3

then \(1-1=0\)

Answer 4

\[\cos(0)=1\]

Answer 5

and finally \[3\cos(0)=3\]

Answer 6

so go with \((\frac{1}{\pi},3)\) although there is no such thing as a "sample period"

Answer 7

come on help his i dont know wat this is

Answer 8

hmm I understand better now