Chapters

Introduction

Defining circular functions: sine, cosine and tangent

Circular functions (12 Methods)

Year 12

This video looks at how to define the circular functions using the unit circle. It explains where each of the identities comes from and how the can be used for find a range of angles between 0 and 360 degrees.

Published: April 29, 2018

Length: 30 mins and 25 seconds

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Exam resources

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2020 Paper 2 Geometry

Video tags

Maths Methods
Methods 3 and 4
Maths Methods 3 and 4
How do we define circular functions
What is a circular function
define circular functions
What is the unit circle
How do I use the unit circle
How do I find a range of values for trig functions
what is the unit circle in trigonometry
what is the unit circle and how do we use it

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