Important questions for class 10 maths trigonometry. Here is a very easy trick to remember these identities. Here are some important questions for Class 10 Mathematics Chapter 8, Introduction to Trigonometry, carefully selected to help students prepare for the CBSE Class 10 Mathematics Examination in 2024-25. These notes help students revise quickly and prepare effectively for the CBSE 2026 board exam. In this article, we'll explore some of the most crucial questions from the "Introduction to Trigonometry" chapter, explained in simple and easy-to-understand language. 📝 Trigonometric Identities : Very easy to memories For class 10, trigonometry is one of the most important chapters and trigonometric identities are very important for board exams. Mar 3, 2026 · Prepare for your CBSE 12th Mathematics Exam 2026 with chapter-wise important questions and detailed solutions. It's very useful for CBSE Board Exams 2026. These questions cover various types of problems and are designed to assist students in understanding Trigonometry better. This video will help students in:• 📝 Trigonometric Identities : Very easy to memories For class 10, trigonometry is one of the most important chapters and trigonometric identities are very important for board exams. i) OB The unit circle has a radius of 1 unit, centered at O.