Right-angled triangle trigonometry

This sub-topic introduces core trigonometric ratios for right-angled triangles, the foundation for all further trigonometry in IB AI SL. You will learn to find unknown sides and angles, and apply these skills to real-world problems including bearings and elevation.

📖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 Coming Soon

Interactive plots and diagrams to build intuition. Coming soon.

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