this video, Dharmendra Sin from Student Care Classes explains Exercise 16-Trigonometric Identities from RS Aggarwal Class 10 Maths. Understand the key identities, apply them in questions, and learn how to solve the toughest problems easily. Topics Covered: Basic Trigonometric Identities RS Aggarwal Class 10 Ex 13 Full Solutions Tips & Tricks for Board ExamsTrigonometry is a very important chapter Class 10 Mathematics. In RS Aggarwal's Exercise 13, students learn about Trigonometric Identities, which are foundational formulas used to simpli and solve trigonometric expressions. The ve identities are useful not only in Clas: 10 but also in higher mathematics. The three basic identities you must remember are: 1. sin20 + cos20 = 1 2. 1+tan20 = sec20 3. 1+ cot20 = cosec20 In this video, Dharmendra Sir explains how to apply these identities to solve each question of Ex-13 step-by-step. Visual smartboard explanation and simple language make it Trigonometry identities 2. Class 10 maths trigonometry 3. RS Aggarwal Ex 13 4. Trigonometric identities class 10 5. Student care classes 6. Dharmendra sir maths 7. CBSE board 2025 maths 8. Class 10 maths explanation 9. Trigonometry questions 10. RS Aggarwal solutions 11. Trigonometry simplification 12. Proving identities 13. Full explanation by Dharmendra sir 14. Trigonometry smart board 15. Board exam preparation 16. Class 10 maths chapter 13 17. Maths formulas class 10 #Class10Maths #RSAggarwalEx13 #StudentCareClasses #DharmendraSir #MathsBoard2025 #Trigonometry Made Easy #CBSEClass10 #Trigonometry Simplification #TrigonometricIdentities #MathsWith SmartBoard #RSAGGARWAL #BoardExamMaths #MathsPractice #CBSEPreparation2025 #MathsLectureHindi #FullChapterSolution #MathsLearning #ProvingIdentities #Class10Important Questions #CBSEMaths2025 #StudentCareMaths #DharmendraSirMaths #TrigonometryForBeginners #CBSE Board Maths #MathsYouTubeClass #SmartBoardTeaching #Class10Chapter 13 #NCERTMaths #MathsTips And Tricks #MathsByDharmendraSir #Exercise13Solution #MathsVideoHindi #RSEx13Solved #TrigonometryBoardExam #CBSE Important Topic #MathsLiveClass #MathsWithTricks #YouTubeMathsClass #Class10MathsSimplification