title
Variable compleja

Fórmulas

$$e^{ix}=\cos x+i\, \sin x$$

e^{ix}=\cos x+i\, \sin x

$$z^{*} = Re \{ z \} - j Im \{ z \}$$

z^{*} = Re \{ z \} - j Im \{ z \}

Identidades trigonométricas

$$ \sin x={e^{jx}-e^{-jx} \over 2j} $$

 \sin x={e^{jx}-e^{-jx} \over 2j}

$$ \cos x={e^{jx}+e^{-jx} \over 2} $$

 \cos x={e^{jx}+e^{-jx} \over 2}