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Oak National Academy
Oak National Academy
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Right-angled trigonometry

Year 10 • Maths • Foundation
We've put the lessons in order helping you build on what you've learned before so it’s best to start with the first lesson of a unit.

Choose a lesson (11)

1
Checking and further securing understanding of Pythagoras' theorem
2
Using Pythagoras' theorem to justify a right-angled triangle
3
Calculating the length of a line segment
4
Checking and securing understanding of the unit circle
5
Checking and securing understanding of sine ratio problems
6
Checking and securing understanding of cosine problems
7
Checking and securing understanding of tangent ratio problems
8
Calculate trigonometric ratios for 30° and 60°
9
Calculate trigonometric ratios for 0°, 45° and 90°
10
Applying trigonometric ratios in context
11
Problem solving with right-angled trigonometry