1. Angle of Elevation

2. Angle of Depression

3. Combination of Angle of Elevation and Depression

4. Some Applications to Trigonometry - Revision

5. PT2 Revision - Some Applications of Trigonometry

6. Annual Revision I - Some Applications of Trigonometry

7. Annual Revision II - Some Applications of Trigonometry

8. Annual Revision III -Some Applications of Trigonometry