Chapter 10: Trigonometric Identities

Geometric series

Notes (Solutions) of Chapter 10: Trigonometric Identities, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore.

Contents & summary

  • Introduction
    • Distance Formula
    • Fundamental Law of Trigonometry
  • Deductions from Fundamental Law
  • Trigonometric Ratios of Allied Angles
    • Exercise 10.1
  • Further Application of Basic Identities
    • Exercise 10.2
  • Double angle Identities
  • Half angle Identities
  • Triple angle Identities
    • Exercise 10.3
  • Sums, Difference and Product of Sines and Cosines
    • Exercise 10.4

View online or download PDF

Exercise 10.1 View Online Download PDF (127KB)
Exercise 10.2 View Online Download PDF (182KB)
Exercise 10.3 View Online Download PDF (154KB)
Exercise 10.4 View Online Download PDF (130KB)