# NCTB উচ্চতর গণিত (Higher Mathematics) Book | Class Nine & Ten (নবম ও দশম শ্রেণি)2023 বই | PDF Download

Updated: 31st July, 2023   Authors: Muhammad Kaykobad, Dr. Muhammad Abul Hossain, Newton Lee, Tifat Shahriar, Arif Hasan Rahman, and Ariful Islam Chowdhury

Editors: Dr. Abdul Matin, Ahdul Hafiz, Dr. Shahriar Alam, Md. Abdul Mottalib, and Munawar Abul Jay

The NCTB Mathematics Textbook for Class Nine & Ten is published by the National Curriculum and Textbook Board. This textbook is designed for students in classes nine and ten for the academic year 2013. It has been reviewed and modified to make the content easy to understand and accessible.

The textbook covers a wide range of mathematical concepts and topics. It includes chapters on sets, functions, relations, trigonometry, geometry, algebra, and more. Each chapter provides in-depth explanations, examples, and exercises to help students grasp the fundamental principles of mathematics.

The book is divided into several sections, including:

1. Chapter 1: Sets
2. Introduction to sets
3. Set operations
4. Properties of set operations
5. Union and intersection of sets
6. Equivalence of sets

7. Chapter 2: Functions and Relations

8. Introduction to relations and functions
9. Domain and range of functions
10. Types of functions
11. Composite functions
12. Inverse functions

13. Chapter 3: Trigonometry

14. Introduction to trigonometric ratios
15. Trigonometric identities
16. Trigonometric functions
17. Solving trigonometric equations

18. Chapter 4: Geometry

19. Basic geometric concepts
20. Properties of triangles, quadrilaterals, and circles
21. Coordinate geometry
22. Area and volume

23. Chapter 5: Algebra

24. Linear equations and inequalities   