Why not all angles have reference angles

The video tutorial explains how to draw an angle, focusing on understanding π halves as half of π in radian form. It discusses the concept of a reference angle in standard form, emphasizing the importance of direction and positive rotation. The tutorial also covers Theta prime, highlighting that it must be an acute angle between the terminal side and the X axis, and clarifies that right angles are not acute.

What is the significance of rotating in the positive direction when discussing angles?

Describe the process of determining the acute angle between the terminal side and the X axis.