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Graphing Trig Functions

Post Number: #1  Postby Jessica » June 1st, 2011, 9:02 pm

Graphing Sine and Cosine



Sine function:

Image




Cosine function:

Image




The amplitude of and represents half the distance between the maximum and minimum values of the function and is given by

    Amplitude =






a = vertical stretch/shrink amplitude
b = horizontal stretch/shrink period
c = move left or right phase shift
d = move up or down


Period of Sine and Cosine function:




Other info:

X-scale =
Phase shift =

If a is negative, there is an x-axis reflection
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