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Trigonometry
Year 9 • Maths
Choose a lesson (12)
- Checking and securing understanding of similar triangles
- Problem solving with trigonometry
- Checking and securing understanding of Pythagoras' theorem
- Sine and cosine ratios
- Choosing an appropriate method for finding lengths of a triangle
- Scaling the right-angled triangle from the unit circle
- Tangent ratio
- Choosing the right trigonometric ratio
- Using the sine ratio
- Using the cosine ratio
- Using the tangent ratio
- The unit circle