On the screen you will see the graph of the unit circle with a point C labeled.

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On the screen you will see the graph of the unit circle with a point C labeled. Use your mouse and move point C around the unit circle in the counterclockwise direction.What do you notice? In particular, what is the relation between the angle and the x-coordinate of point C?

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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