If damping ratio is 0.5, the lines joining complex poles with origin are inclined to negative real axis at

If damping ratio is 0.5, the lines joining complex poles with origin a

1.	If damping ratio is 0.5, the lines joining complex poles with origin are inclined to negative real axis at
A.	¬± 90¬∞
B.	¬± 60¬∞
C.	¬± 45¬∞
D.	¬± 30¬∞
Answer» C. ¬± 45¬∞