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The following four expressions are representing simple harmonic motion in one dimension.
a. x(t)=C1e^(jwt) +C2(-ewt)
b. x(t) = B1 cos(wt) + B2 sin(wt)
c. x(t)=Acos(wt+phi)d. x(t)=ReCe^(jwt)
Find out what the constants are for one in terms of another.
Write out the constants for b (B1 and B2) in terms of the previous constants for a Do the same for c) in terms of the constants for b), the constants in d in terms of those for c and finally the constants for a) in terms of those from d.
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