c$)$ v$($z$,$t$)=-12$cos$(1500$t$-$z$)$

$1)$ For an open circuit transmission line, if the amplitude of the incident voltage wave is $4$ V$,$ what

is the voltage amplitude at the open end of the transmission line?

$2.$ Write down the time domain signals of the following phasors, assuming angular frequency

A$)4$ V