Unit circle, radian measure, trigonometric identities

This subtopic introduces radian angle measure, the unit circle for evaluating trigonometric functions of all angles, and core trigonometric identities to simplify expressions and solve equations, forming the foundation for all further trigonometry work in IB AI HL.

📖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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