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Precalc 4.5 Notes.notebook January 30, 2017 Sec 4.5 Graphs of the Sine and Cosine Functions Domain: All Real numbers (radians or degrees) Range: Domain: All Real numbers (radians or degrees) Range: 1 Precalc 4.5 Notes.notebook January 30, 2017 Characteristics of Trig Functions all trig functions repeat themselves, the horizontal distance it takes for . period the graph to repeat itself is called the . It is defined as half amplitude the sine and cosine functions have an the distance between the maximum and minimum values. For the basic sine function period = amplitude = For the basic cosine function period = amplitude = 2 Precalc 4.5 Notes.notebook January 30, 2017 The sine & cosine graphs can be changed to any size wave by changing some things in the equation. Right now we are going to concentrate on amplitude and period. amplitude = period go to applet page 3 Precalc 4.5 Notes.notebook January 30, 2017 Example Identify the amplitude and period from the equations 4
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