1.

Let us assume x (t) = A cos(ωt + φ), then the Laplace transform of x (t) is?

A. X(S)=A(Scos Ø-ω sinØ)/(S2-ω2)
B. X(S)=A(Scos Ø+ω sinØ)/(S2+ω2)
C. X(S)=A(Scos Ø+ω sinØ)/(S2-ω2)
D. X(S)=A(Scos Ø-ω sinØ)/(S2+ω2)
Answer» E.


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