\cos \phi = \vecv \cdot \vecw = \cos \theta \cos\left(\theta + \frac2\pi7\right) + \sin \theta \sin\left(\theta + \frac2\pi7\right). - AMAZONAWS

📅 March 11, 2026 👤 scraface

Mar 11, 2026

$\cos \phi = \vec{v} \cdot \vec{w} = \cos \theta \cos\left(\theta + \frac{2\pi}{7}\right) + \sin \theta \sin\left(\theta + \frac{2\pi}{7}\right).$