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.
Contents & summary
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