Given a complex number of the form: y =a+jb, the modulus and argument of it are as follows √a2+b2,∠y=tani Therefore AR=G(jO) tan ∞=-90°orp=-tan- Example 2: Determine the phase angle and ar of the system 4 G(S)= when subjected to a +1 sinusoidal input r=2sin (3t+600) 2022-2-3 52022-2-3 5 Given a complex number of the form: y = a+jb, the modulus and argument of it are as follows: y a b y b a           2 2 1 , tan Therefore, AR G j o             ( ) , tan tan w w   1 90 1 1 or Example 2: Determine the phase angle and AR of the system when subjected to a sinusoidal input R=2sin(3t+60 0). G s s ( )   4 1