Mathematics notes for Secondary Year 5
52 sections with theory, interactive examples, and 1,237 exercises graded instantly by AI.
Start from the beginning →Vectors and geometry
Vectors
Scalar product
Conics
Trigonometry
Trigonometry
- Measuring angles: degrees and radians
- Trigonometric ratios of an angle
- Reciprocal trigonometric ratios
- Trigonometric ratios of the sum of two angles
- Trigonometric ratios of the difference of two angles
- Trigonometric ratios of double angles
- Sine rule
- Cosine rule
- Solving right-angled triangles
- Solving non-right-angled triangles