Sine rule, cosine rule and area of triangles
This module extends right-angle trigonometry to all oblique (non-right) triangles, teaching how to find missing sides, angles, and calculate area. We cover when to use each rule and common exam traps to avoid.
📖Study Guide
In-depth bilingual notes with worked past paper examples.
✍️Practice Exam
Timed practice questions with mark scheme grading. Coming soon.
🎴Flashcards
Spaced repetition for key concepts and definitions. Coming soon.
📊Visualizer
Interactive plots and diagrams to build intuition. Coming soon.
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