Chapter 14 - Trigonometric Graphs and Identities
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Last updated 2:48 AM on 5/17/22
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6 Terms
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π radians
The sine and cosine graphs have a period of 360 degrees (2π radians)- The tangent graph has a period of 180 degrees (________)- It has no amplitude (no maximum or minimum value)
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Amplitude
the amplitude of the graph of a periodic function is the absolute value of half the difference between its maximum and minimum values
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Phase shift
a horizontal translation of a trigonometric function
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Vertical shift
a vertical translation of a trigonometric function
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The midline
the reference line about which the graph oscillates
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Trigonometric identity
an equation involving trigonometric functions that is true for all valueswhere every expression in the equation is defined
