Calculating Coordinates in the Unit Circle - Concept

Concept Concept (1)

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The unit circle is a circle that has a radius of one and is centered at the origin of the coordinate plane. It is a concept that frequently occurs in many of the math subjects, especially those where Trigonometry is used. Questions asking about unit circle coordinates often give an unknown coordinate and require us to use the properties of a unit circle to calculate these coordinates.

Sample Sample Problems (2)

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Calculating Coordinates in the Unit Circle - Problem 1
Problem 1
How to find the coordinates on the unit circle, given an angle of 225 degrees.
Calculating Coordinates in the Unit Circle - Problem 2
Problem 2
How to find the coordinates on the unit circle, given an angle of 60 degrees.