Find the poles of transfer function which is defined by input x(t)=5Sin(t)-u(t) and output y(t)=Cos(t)-u(t).

Find the poles of transfer function which is defined by input x(t)=5Si

1.	Find the poles of transfer function which is defined by input x(t)=5Sin(t)-u(t) and output y(t)=Cos(t)-u(t).
A.	4.79, 0.208
B.	5.73, 0.31
C.	5.89, 0.208
D.	5.49, 0.308
Answer» B. 5.73, 0.31