Class 10th math chapter 8 exercise 8.2 question 4 | Bihar Board

Welcome to our Class 10th Math video tutorial for Chapter 8: Introduction to Trigonometry – Bihar Board edition. In this video, we’re solving Exercise 8.2, Question 4, step-by-step in the easiest and most understandable way possible. Whether you're a Bihar Board student preparing for your board exams or simply revising your trigonometry concepts, this video is made just for you. We explain each part of the question clearly so that students of all levels can understand and learn. Our aim is to help you score full marks in Class 10 Maths by making concepts simple and practical. 📚 What you’ll learn in this video: •|How to solve Class 10 Maths Exercise 8.2 Question 4 • Understand Trigonometric Ratios using real methods • Simple tips and tricks to remember formulas • Step-by-step guide to improve exam preparation 💡 Why this video is important for you: • Directly follows Bihar Board syllabus (NCERT-based) • Targeted for upcoming Board Exams 2025 •|100% accurate solution with proper explanation • Boost your confidence in solving trigonometry questions 🎯 This video is especially helpful for: • Bihar Board students of Class 10 • Students preparing for their final board exams • Learners who want quick revision with clear explanations 📌 Chapter Info: • Chapter Name: Introduction to Trigonometry • Chapter Number: 8 • Exercise: 8.2 • Question: 4 • Board: Bihar Board (BSEB) • Book: NCERT Class 10 Maths 📈 Board Exam 2025 Tip: Trigonometry is a very scoring chapter. If you understand the basics and solve exercises like 8.2 properly, you can easily secure 5–6 marks from this chapter alone! 📝 Formula Used: • sin θ = Perpendicular / Hypotenuse • cos θ = Base / Hypotenuse • tan θ = Perpendicular / Base • cot θ = Base / Perpendicular • sec θ = Hypotenuse / Base • cosec θ = Hypotenuse / Perpendicular 📤 Don’t forget to: ✔️ Like this video ✔️ Share with your classmates ✔️ Subscribe to the channel ✔️ Comment if you want next questions solved 🔔 Turn on notifications to stay updated with our latest tutorials, question solutions, and exam tips! 📚 Explore more videos from this series: • Chapter 8 Introduction to Trigonometry Full Explanation • Exercise 8.1 All Questions Solved • Exercise 8.2 Questions 1, 2, 3 – Easy Methods • Class 10 Maths All Chapters Bihar Board 2025 📞 Contact Us / Doubts? Comment your doubts below – we reply to every student! Let’s crack Class 10 Maths together. ✨ Stay connected with us: We are committed to providing quality educational content for free. If this video helped you, help us reach more students by liking and sharing. #class10maths #class10mathschapter8 #exercise8.2question4 #biharboard2025 #trigonometryclass10 #biharboardmaths #ncertclass10maths #mathsclass10biharboard #class10mathstrigonometry #cbsemathsclass10 #mathsvideo #class10mathsexplanation #examtipsclass10 #biharboardexam2025 #learnmathseasy #class10mathschapter8exercise8.2 #ncertmathsclass10 #class10boardexam #mathshindi #freeeducationyoutube #mathstutorialclass10 Class 10 Math Exercise 8.2 Question 4, Class 10 Chapter 8 Trigonometry Bihar Board, Bihar Board Class 10 Math 2025, Trigonometry Class 10 in Hindi, Class 10 Maths Full Chapter Explanation, Class 10 Maths Trigonometry Easy Explanation, NCERT Maths Chapter 8 Class 10, Maths Exercise 8.2 Solution Class 10, Board Exam 2025 Preparation, Bihar Board Math Chapter 8 Solutions, Trigonometric Ratios Class 10, Class 10 Maths All Questions, Class 10 Maths by Topic, Class 10 Trigonometry Formulas, Maths Class 10 Bihar Board Hindi Medium