1. Further Trigonometric identities and their applications

2. What trigonometric identities have we learnt so far?

3. Trigonometric identities learnt so far

4. 7.1 Addition formulae You need to know and be able to use the addition formulae.

5. 7.1 Addition formulae Show that:

6. 7.1 Addition formulae Show that:

7. 7.1 Addition formulae Show that:

8. 7.1 Addition formulae Show that:

9. 7.1 Addition formulae Show that:

10. 7.1 Addition formulae Show that:

11. 7.1 Addition formulae Show that:

12. 7.1 Addition formulae

14. 7.2 Double angle formulae You need to know and be able to use the double angle formulae.

15. 7.2 Double angle formulae Show that:

16. 7.2 Double angle formulae Show that:

17. 7.2 Double angle formulae Show that:

18. 7.2 Double angle formulae Rewrite the following expressions as a single trigonometric function:

19. 7.2 Double angle formulae

20. 7.3 Using double angle formulae to solve more equations and prove more identities

30. 7.5 Factor Formulae