Question$1.$

a$)$ Apply phasor analysis to evaluate the following

i$),v(t)+{\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}vdt=5cos(t+45)?$

$[4$ marks$]$

ii$),2\frac{dv}{dt}+5v(t)+10{\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}vdt=50cos(5t-30)?$

$[4$ marks$]$