Exercise 10.4 Chapter 10 || 11Th Class Math New Book 2025 PCTB || Trigonometric Identities

This video contains solution of ex 10.4 of chapter 10 and it explains what trigonometry is and what are its basic formulas and relation about trigonometric ratios like sine, cose and tan etc. It also includes distance formula and fundamental laws of trigonometry, deductions from thos laws and trigonomteric ratios of allied angles. This video is for the students of fsc part 1 of punjab colleges and boards and this video contains exercise 10.4 of chapter 10. 0:00 Formulas 5:13 Question 1 14:06 Question 2 18:47 Question 3 24:37 Question 4 35:08 Question 5 42:56 Question 6 45:56 Question 7 48:46 Question 8 50:22 Question 9 53:37 Question 10 #11th #11thmath #math11 #math #maths