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Unformatted text preview: comes from sin x = cos (x- /2) So when sin x 0 then we have 1/sin x = 1/cos (x- /2) csc x = sec (x- /2) And when sin x = 0 we have that csc x and sec(x- /2) are both undefined. Section 5.6
Phase Shift Phase shift
For the graphs of y=Asin(x-) or y=Acos(x-), where >0, we have Amplitude of the function is |A|. The period of the function is T=2/. The phase shift of the graph is /. A summary of the steps for graphing the functions is on pg. 397...
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