Trigonometry
Why this, why now
In this unit pupils learn how to recognise the relationship between the unit circle and the trigonometric ratios of sine, cosine and tangent. Pupils then apply this knowledge to solve trigonometric problems.
Prior knowledge requirements
- Ardaydu waa inay yaqaanaan aasaaska maadada.
- Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 6 / 12
Trigonometry
In this unit pupils learn how to recognise the relationship between the unit circle and the trigonometric ratios of sine, cosine and tangent. Pupils then apply this knowledge to solve trigonometric problems.
12 lessons- 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