Chapter 9 - Trigonometric Ratios

Example 1 – The cosine rule to find missing sides

Example 2 – The cosine rule to find missing angles

Example 3 – Bearings and the cosine rule

Example 4 – Problem solving using the cosine rule

Example 5 – The sine rule to find missing sides

Example 6 – The sine rule to find missing angles

Example 7 – The since rule: the ambiguous case

Example 8 – The area of a triangle

Example 9 – Problem solving using the area of a triangle

Example 10 – Problem solving using the sine and cosine rules

Example 11 – Sketching Trigonometric graphs

Example 12 – Transforming trigonometric graphs

Example 13 – Transforming trigonometric graphs

Example 14 – Transforming trigonometric graphs

Example 15 – Transforming trigonometric graphs

End of Chapter Exam Questions