$1.$ Considering $()=100$cos $(12030)$ V$,$ answer to the followings:

a$.$ What$$s the amplitude of $(),$

Vm$?$

b$.$ What$$s the angular frequency of $()$ in rad$/$s$,?$

c$.$ What$$s the frequency of $()$ in Hz$,?$

d$.$ What$$s the period of $(),?$

e$.$ What$$s the wavelength of $(),?$

f$.$ What$$s the phase of $()$ in degree, $?$

g$.$ What$$s the rms voltage of $(),$rms$?$ Note: $=1$

$2()$