4 ms·
>sines and cosines are polynomials evaluated on the complex unit circle Could you explain further?
by EmilioMartinez 6y ago
>sines and cosines are polynomials evaluated on the complex unit circle
Could you explain further?
- enriquto 6y agoIf you evaluate the complex function f(x)=z^n on the unit circle z=exp(it), you obtain cos(nt)+i sin(nt). Thus Fourier series are "just" Taylor series evaluated on the unit circle.