Contents of Unit – 3

• SL 3.1 – 3D space, volume, angles, midpoints
• SL 3.2 – 2D and 3D trigonometry
• SL 3.3 – Angles of elevation and depression
• SL 3.4 – The circle, arc and area of sector (degrees only)
• SL 3.5 – Intersection of lines, equations of perpendicular bisectors
• SL 3.6 – Voronoi diagrams
• HL 3.7 – Radians
• HL 3.8 – Unit circle, Pythagorean identity, solving trigonometric equations graphically
• HL 3.9 – Matrix transformations
• HL 3.10 – Vector definitions
• HL 3.11 – Vector equation of a line in 2D and 3D
• HL 3.12 – Vector applications to kinematics
• HL 3.13 – Scalar and vector products
• HL 3.14 – Graph theory
• HL 3.15 – Adjacency matrices and tables
• HL 3.16 – Tree and cycle algorithms, Chinese postman, travelling salesman