Section : Trigonometric Functions: Unit Circle Approach

The Unit Circle The unit circle is the circle whose center is at the origin and whose radius is one The circumfrence of the unit circle is 2Π An arc of the

The Unit Circle is a circle with a radius of 1 Being so simple, it is a great way to learn and talk about lengths

unit 731 Unit Circle Hand Trick Note: This trick is best used to help remember the first quadrant of the unit circle but it can be modified to recall the whole Unit

unit731 This graph represents how the sine and cosine functions are related to x and y in the unit circle Use the slider below to animate the graph by changing the