Radius, Diameter, Circumference, and Area of Circles
Determine Domain and Range in a Trig Function
Basic Trigonometric Figures

How to Recognize Basic Trig Graphs

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The graph of y = sin x.

The graph of the sine function is a nice, continuous wave that rolls along gently and keeps repeating itself. The domain, or x-values, of the sine function includes all angles in degrees or all real numbers in radians, so the curve has no breaks or holes.

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