# Form 4 Mathematics Trigonometry III Online Lessons

In this session, we are going to learn about trigonometry III, which is a form 4 mathematics topic.

Lessons (**7**) * SHARE*

- 1.
Some trigonometric ratios

7m 59s - 2.
Trigonometric Ration Lesson 2

6m 30s - 3.
Use of a right-angled triangle to find trigonometric ratios

10m 24s - 4.
Waves: amplitude and period lesson

9m 20s - 5.
Revision exercise on trigonometry III - waves

10m 12s - 6.
Lesson on trigonometric equations

11m 49s - 7.
Graphical solutions of trigonometric equations online lesson

17m 41s

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