Mathematisa | Math Animations on Instagram: "📐 Sine Rule — Visual Derivation Explained Step by Step The Sine Rule (also known as the Law of Sines) is a fundamental identity in trigonometry used to relate the sides and angles of any triangle. In this visual derivation, we explore how a / sin A = b / sin B = c / sin C emerges naturally from geometry. This reel breaks down the concept using animated diagrams, triangle projections, and clear geometric reasoning — perfect for students studying Class