1. Trigonometric Graphs L.O.
All pupils can sketch the trigonometric identities
All pupils can read off the trigonometric graphs

2. Starter:
Sketch the trig. functions

3. Starter:
sin 90
180
270
360
cos 90
180
270
360
tan 90
180
270
360

4. Starter:

5. Trigonometric Graphs L.O.
All pupils can sketch the trigonometric identities
All pupils can read off the trigonometric graphs

6. Main:
What do you notice about the sine wave?

7. the function repeats itself every 360 degrees
Main:
Periodic:
the function repeats itself every 360 degrees
Odd:
f(-x)=-f(x)

8. If y=0.5, what are the possible values for x?
Main:
Periodic:
the function repeats itself every 360 degrees
Odd:
f(-x)=-f(x)
If y=0.5, what are the possible values for x?
If y=-1, what are the possible values for x?

9. Main:
What do you notice about the cosine wave?

10. the function repeats itself every 360 degrees Even:
Main:
Periodic:
the function repeats itself every 360 degrees
Even:
symmetrical about the y axis

11. If y=0.5, what are the possible values for x?
Main:
Periodic:
the function repeats itself every 360 degrees
Even:
symmetrical about the y axis
If y=0.5, what are the possible values for x?
If y=-1, what are the possible values for x?

12. Main:
What do you notice about the tan graph?

13. the function repeats itself every 180 degrees Asymptotes:
Main:
Periodic:
the function repeats itself every 180 degrees
Asymptotes:
horizontal asymptotes at x=-90, 90, 270, …

14. If y=0.5, what are the possible values for x?
Main:
Periodic:
the function repeats itself every 180 degrees
Asymptotes:
horizontal asymptotes at x=-90, 90, 270, …
If y=0.5, what are the possible values for x?
If y=-1, what are the possible values for x?

15. Main:
Extra practice questions on other board…

16. Trigonometric Graphs L.O.
All pupils can sketch the trigonometric identities
All pupils can read off the trigonometric graphs

17. Plenary:
What can you say about these graphs?

18. Trigonometric Graphs L.O.
All pupils can sketch the trigonometric identities
All pupils can read off the trigonometric graphs