Trigonometry

Year 1  »  Pure

Year 1
Trigonometry

Introduction

1. Introduction1.1 Overview

Basics

2. Trigonometric Ratios / Unit Circle2.1 Trigonometric Ratios2.2 The Unit Circle2.3 Example2.4 Example2.5 Activity2.6 Tangent (tan)2.7 Quickfire Questions
3. Trigonometric Graphs3.1 The Sine Function3.2 The Cosine Function3.3 The Tangent Function3.4 Activity
5. Trigonometric Equations5.1 Symmetry Properties5.2 Solving Trigonometric Equations5.3 Calculator: Storing Values5.4 Example5.5 Periodic Properties5.6 Example5.7 Dr Frost Maths



4.2 Example

Instructions

In this example we explore the relationships between exact values for trig ratios where the angle is obtuse.

  • Watch: Example 4.2e.
  • Try: Problem 4.2p.
  • Check: Mark and correct.

Length: 4m 54s



Extra Support:


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