15.1 Scale Drawings

15.3 Understanding the Tangent, Cosine & Sine Ratios

15.2 Bearings

15.4 Solving Problems
Using Trigonometry

15.5 Sines, Cosines and Tangents of Angles more than 90

15.7 Area of a Triangles

15.6 The Sines and
Cosines Rules

15.8 Trigonometry in The Three Dimensions