The cosine rule is a monster! It’s tough to teach, a struggle for students, and the prep work is time-consuming. We’ve got you covered. This Toolbox is Teaching Made Easy. The lesson itself is engaging and logical. It builds on small ideas to help students develop conceptual and procedural skills simultaneously. What’s even better is that the guided notes go hand-in-glove, which helps students feel grounded and in touch with the expectations of the lesson. This is Turn-Key Easy, NO PREP! The m