$k=4$: $\textcis(4\pi/3) = -\frac12 - i\frac{\sqrt3}2$ → $(-0.5, \approx -0.866)$ - AMAZONAWS

📅 March 11, 2026 👤 scraface

Mar 11, 2026

$k=4$: $\text{cis}(4\pi/3) = -\frac{1}{2} - i\frac{\sqrt{3}}{2}$ → $(-0.5, \approx -0.866)$