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Free Download IB Mathematics AA HL – Trigonometric Functions (Module 6)
Published 2/2026
Created by Konstantinos Kokoris
MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz, 2 Ch
Level: Intermediate | Genre: eLearning | Language: English | Duration: 12 Lectures ( 38m ) | Size: 838 MB
Advanced trigonometry for IB AA HL: graphs, identities, equations, inverses, modelling, and calculus
What you'll learn
✓ Understand trigonometric functions using the unit circle, exact values, and radians as required in IB Mathematics AA HL.
✓ Analyse and sketch trigonometric graphs, including transformations, period, amplitude, and phase shift.
✓ Solve trigonometric equations and identities with correct general solutions and domain restrictions.
✓ Work confidently with inverse trigonometric functions and principal values in IB exam questions.
✓ Apply trigonometric functions to modelling and calculus problems at HL level.
Requirements
● Familiarity with basic algebra and functions at IB Mathematics SL level or equivalent.
● Prior exposure to basic trigonometric ratios is recommended but not required.
● All content is taught assuming angles are measured in radians.
Description
This module covers trigonometric functions at true IB Mathematics AA HL level, with emphasis on structure, justification, and examiner expectations.
Trigonometry is a core topic in IB exams, but many students struggle not because of formulas, but because of unclear reasoning, incorrect general solutions, and poor handling of domains, ranges, and principal values. This module is designed to address exactly those weaknesses.
The course begins with precise definitions using the unit circle and radians, before moving to trigonometric graphs and transformations. Students learn how amplitude, period, phase shift, and vertical translations are identified and communicated clearly, as required in IB marking schemes.
A significant part of the module is dedicated to trigonometric identities and equations. The focus is not on memorisation, but on logical structure: when an identity is valid, how it should be proven, and how solutions are written correctly within a given interval. Common IB pitfalls are addressed explicitly.
Inverse trigonometric functions are treated carefully, with full attention to restricted domains, ranges, and principal values. These ideas are then applied to trigonometric equations involving inverse functions, an area where marks are often lost.
The module also includes trigonometric modelling and calculus. Students learn how trigonometric functions are used to model periodic behaviour and how differentiation and integration with trigonometric functions are handled at HL level.
Each section includes worked IB-style examples written exactly as they should appear in an exam script, followed by structured practice and a full module test.
This module is part of a coherent IB Mathematics AA HL pathway, designed for students who want depth, clarity, and consistency in their exam preparation.
This course is part of a structured IB Mathematics AA HL pathway and is designed to function both as a standalone module and as preparation for further topics in the syllabus.
Students under the age of 18 may only access this course through an account created and managed by a parent or legal guardian, in accordance with Udemy's policies.
Who this course is for
■ IB Mathematics AA HL students who want a deep, exam-aligned understanding of trigonometric functions, identities, equations, modelling, and calculus.
■ IB Mathematics AA HL students who want a deep, exam-aligned understanding of trigonometric functions, identities, equations, modelling, and calculus.
■ Students who struggle with trigonometric structure, domains, and general solutions in IB exams.
■ Learners who want full IB-style solutions, not shortcut-based problem solving.
■ IB teachers looking for a structured reference aligned with examiner expectations.
Homepage
https://www.udemy.com/course/ib-mathematics-aa-hl-trigonometric-functions-module-6
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