Unit 13 — Trigonometric Functions

Topic 3: Geometry and Trigonometry

Trigonometric Functions for IB Math AA SL and HL: notes on Three-Dimensional Solids, Right-Angled Trigonometry and Exact Values, The Sine Rule, Cosine Rule and Area of a Triangle, Bearings and…

Syllabus content: SL 3.1 SL 3.2 SL 3.3 SL 3.5 SL 3.4 SL 3.7 AHL 3.9 SL 3.6 SL 3.8 AHL 3.11 AHL 3.10

SL students read sections 13.1, 13.2, 13.3, 13.4, 13.5, 13.6, 13.7, 13.8, 13.10, 13.11, 13.13, 13.15. HL students read every section (the HL-only sections are marked HL).

Section Syllabus
13.1 Three-Dimensional Solids SL 3.1
13.2 Right-Angled Trigonometry and Exact Values SL 3.1 SL 3.2 SL 3.3 SL 3.5
13.3 The Sine Rule, Cosine Rule and Area of a Triangle SL 3.2 SL 3.5
13.4 Bearings and Applications SL 3.3
13.5 Radians, Arc Length and Sector Area SL 3.4
13.6 The Unit Circle and Trigonometric Ratios of Any Angle SL 3.5
13.7 Graphs of Sine and Cosine SL 3.7
13.8 The Tangent Graph and General Trigonometric Functions SL 3.7
13.9 Reciprocal and Inverse Trigonometric Functions AHL 3.9
13.10 Modelling Periodic Behaviour SL 3.7
13.11 Trigonometric Identities SL 3.6
13.12 Reciprocal Trigonometric Identities AHL 3.9
13.13 Solving Trigonometric Equations SL 3.8
13.14 Symmetry Identities and Reciprocal Ratio Equations AHL 3.9 AHL 3.11
13.15 Double Angle Formulae SL 3.6
13.16 Compound Angle Formulae AHL 3.10

Review exercises

Exam practice (with markschemes)