Defining circular functions: sine, cosine and tangent
Circular functions
Mathematical Methods: Units 3 and 4
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Introduction
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.
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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