The sinusoidal voltage source in the circuit is developing a voltage equal to $240$ cos$(1,000$t $+45)$ Vrms$.$

a$)$ Find the Th$$venin voltage with respect to the terminals a$,$b$.$

Express your answer in polar form.

$$ Magnitude $|$ VTh $|=$ Answer $1$ Question $1$ V

$$ Angle $=$ Answer $2$ Question $1($Degrees$)$

b$)$ Find the Th$$venin impedance with respect to the terminals a$,$b$.$

Express your answer in polar form.

$$ Magnitude $|$ Zab $|=$ Answer $3$ Question $1$W $($Ohm$)$

$$ Angle $=$ Answer $4$ Question $1($Degrees$)$