e^{ix} = sum[ (-1)^{k}·(1/(2k)!)·x^{2k} ]+i·sum[ (-1)^{k}·(1/(2k+1)!)·x^{(2k+1)} ]
e^{ix} = cos(x)+i·sin(x)
e^{ix} = (-1)·( cos(x)+i·sin(x) )
e^{ix} = (-1)·cos(x)+(-i)·sin(x)
e^{i(x/m)} = sum[ (-1)^{k}·(1/(2k)!)·(x/m)^{2k} ]+i·sum[ (-1)^{k}·(1/(2k+1)!)·(x/m)^{(2k+1)} ]
e^{i(x/m)} = cos(x/m)+i·sin(x/m)
e^{i(x/m)} = (-1)·( cos(x/m)+i·sin(x/m) )
e^{i(x/m)} = (-1)·cos(x/m)+(-i)·sin(x/m)
No hay comentarios:
Publicar un comentario