Chapter 10: Trigonometric Identities

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. There are four exercise in this chapter.

• 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

The following short questions was send by Mr. Akhtar Abbas.