Why do we get the coordinates of a unit circle - Free math help - Live lessons

The video tutorial explains the unit circle, focusing on key points and the use of special right triangles to determine coordinates. It addresses student confusion about these triangles and demonstrates how to find X&Y coordinates for specific angles using geometry. The tutorial covers the application of the Pythagorean theorem and rationalizing the denominator to find precise coordinate values.

What is the significance of the radius being 1 in the unit circle?

Describe the process of rationalizing the denominator when finding the length of X and Y.