Trigonometry
Class 10 · Mathematics · 5 lessons
This chapter, Trigonometry, is part of the Class 10 Mathematics syllabus under CBSE, Telangana and Andhra Pradesh boards. It contains 5 lessons — starting with Introduction to Trigonometry, Exercise 11.1 — Trigonometric Ratios, Exercise 11.2 — Specific Angles, and more — each with free, step-by-step PDF notes you can study directly in the browser or present in class in fullscreen mode. Work through the lessons in order below; later exercises in this chapter generally build on the concepts introduced in the earlier ones.
Introduction to Trigonometry
Trigonometry and ratios in a right angle triangle.
Exercise 11.1 — Trigonometric Ratios
Problems based on trigonometric ratios.
Exercise 11.2 — Specific Angles
Trigonometric ratios of some specific angles.
Exercise 11.3 — Complementary Angles
Trigonometric ratios of complementary angles.
Exercise 11.4 — Trigonometric Identities
Trigonometric identities and their applications.