A video explaining how to find missing sides and angles in right-angled triangles. This is suitable for both higher and foundation GCSE.
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0:00 Intro
0:10 Labelling a right-angled triangle
1:49 What are sin, cos and tan?
3:35 Example 1 - missing side
6:04 Example 2 - missing side
7:22 Example 3 - missing side
8:31 Example 4 - missing side but x on denominator
10:29 Example 5 - missing side but x on denominator
11:55 Example 6 - missing angle
15:07 Example 7 - missing angle
16:32 Example 8 - Problem solving with 2 triangles
20:41 Example 9 - Problem solving with a trapezium
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