Induction Formula: Connection between Trigonometry and Geometric Transformations

This example demonstrates the application of induction formulas in trigonometry, using geometric transformations and circle properties to explain the periodicity and symmetry of trigonometric functions. The key mathematical concepts involved include trigonometry, induction formulas, geometric transformations, and circle properties. Construction points include using GeoGebra commands such as Intersect, Circle, Rotate, and Ray. Suitable for high school students or college undergraduates learning trigonometry and geometric transformations.