In this lesson, you will learn how to find coterminal angles using the unit circle. Coterminal angles are two angles that share the same initial and terminal side. You can find these angles visually by graphing them on the unit circle or algebraically by adding or subtracting 360 degrees or 2 pi for radians. When dealing with radians, it's important to know the values of pi/2, pi, 3pi/2, and 2pi on the unit circle.
Finding coterminal angles using the unit circle
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