Mathematical Methods: Units 3 and 4
Defining circular functions: sine, cosine and tangent
Circular functions
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Circular functions
About this lesson
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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Video details
- Title Defining circular functions: sine, cosine and tangent
- Section Circular functions
- Course Mathematical Methods: Units 3 and 4
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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
Practice questions
Circular functions · Defining circular functions — Work through original practice questions linked to this lesson.
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