... for n > 0, show that the coefficients are uniquely determined. Using Euler’s formula the above polynomial can be rewritten as n P ck einx : x ∈ R, ck ∈ C k=−n ...

... for n > 0, show that the coefficients are uniquely determined. Using Euler’s formula the above polynomial can be rewritten as n P ck einx : x ∈ R, ck ∈ C k=−n ...