In this chapter, students will learn how to measure angles in degrees and radians and understand the relationship between these two systems of measurement. They will practice converting angles from degrees to radians and vice versa, which is essential for solving higher-level trigonometric problems and calculus-based applications.

Students will also apply trigonometric functions to solve geometrical problems and learn to solve trigonometric equations involving standard trigonometric ratios. This chapter strengthens analytical skills and forms the foundation for advanced topics such as inverse trigonometric functions, calculus, and real-life applications of trigonometry.