Chapter 12: Application of Trigonometry

Notes (Solutions) of Chapter 12: Application of Trigonometry, Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore.

• Introduction
• Tables of Trigonometric Ratios
  • Exercise 12.1
• Solution of Right Triangles
  • Exercise 12.2
• Heights and Distances
• Engineering and Heights and Distances
  • Exercise 12.3
• Oblique Triangles
  • The Law of Cosine
  • The Law of Sines
  • The Law of Tangents
  • Half Angle Formulas
• Solution of Oblique Triangles
  • Case I : When measure of one side and two angles are given
  • Exercise 12.4
  • Case II : When measure of two sides and their included angle are given
  • Exercise 12.5
  • Case III : When measures of three sides are given
  • Exercise 12.6
• Area of Triangle
  • Exercise 12.7
• Circles Connected with Triangle
  • Circum-Circle
  • In-Circle
  • Escribed Circles
• Engineering and Circles Connected with Triangles
  • Exercise 12.8

• Solution & Area of Oblique Triangle

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