Quiz - Trigonometry Equations and Identities Mathematics Trigonometry Problem Solving Question 5 / 8 What is the equivalent of \( \cos(180^\circ + \theta) \)? \( -\cos \theta \) \( \cos \theta \) \( \sin \theta \) 🏠 Restart the quiz Partager cette page Choisis une option : Twitter Facebook WhatsApp 📋 Copier le lien Fermer