HSC Together Year 11 Maths Advanced: Unit Circle in Radians

Maths Advanced

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Unit Circle in Radians

What is the unit circle in radians?

In this post, we understand the unit circle definition of sin, cos and tan and periodicity using radians, as a part of the Prelim Maths Advanced course under the topic Trigonometric Functions and sub-part Radians.

 

The following two videos goes over the unit circle definition of trig functions and how it is used and represented on a unit circle.

Part 1

 

Part 2

 

Examples involving the unit circle in radians and degrees

This video goes over a large number of questions on unit circle trigonometry calculations to find values.

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