This book selects nearly 800 high school mathematical trigonometric function exercises according to the high school mathematics syllabus and the college entrance examination papers of various provinces and cities. The compiled questions are standardized and difficult, including the new questions that appear constantly in the college entrance examination papers of various provinces and cities in recent years, which are highly targeted and practical. The book is divided into seven units, and each unit has columns such as knowledge point arrangement, key and difficult points, basic training questions, and improvement and expansion questions. At the end of the book, there are reference problem-solving steps for all exercises.

This book can be used as a reference for high school students, especially high school graduates.