About video ………………… 1. prashnavali 8.2 class 10th math 2. class 10 maths chapter 8.2 3. class 10 maths chapter 8.2 question 1,2,3,4 4. 10 class ka math 8.2 ka 4 number 5. prashnawali 8.2 class 10th full solution 6. ncert math class 10th trigonometry 9. trigonometry class 10th exercise 8.2 10.math class 10th full solutions Pankaj Study Centre #niranjansir #niranjanpal #ncertmathsclass10biharboard #education #maths #class10