Time domain function of ( frac{s}{a^2+s^2} ) is given by?

1.	Time domain function of ( frac{s}{a^2+s^2} ) is given by?
A.	Cos(at)
B.	Sin(at)
C.	Cos(at)Sin(at)
D.	Sin(t)
Answer» B. Sin(at)

Discussion

Find the inverse laplace transform of ( frac{1}{s(s-1)(s^2+1)} ).
Find the inverse laplace transform of (Y(s)= frac{2s}{1-s^2}e^{-s} ).
Find the inverse lapace of ( frac{(s+1)}{[(s+1)^2+4][(s+1)^2+1]} ).
Find the value of x(0) if (X(s)= frac{2s^2+5s+12/s}{s^3+4s^2+14s+20} ).
Find the value of x( ) if (X(s)= frac{2s^2+5s+12/s}{s^3+4s^2+14s+20} ).
Initial value theorem states that ___________
Final value theorem states that _________
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Inverse laplace transform of ( frac{1}{(s-1)^2 (s+5)} ) is?