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Unformatted text preview: intercepts, minima, or maxima. They occur every fourth of a period, or every , starting from the phase shift . In other words, the key points have coordinates such that where , , , or if the point is an intercept, a minimum, or a maximum, respectively . In our case, we have and . The function thus has amplitude , period , and phase shift . The key points of its graph are the point of coordinates such that where , , , or if the point is an intercept, a minimum, or a maximum, respectively . The key points for are , , , , and . We can use these points to graph ....
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 Spring '08
 Self
 Critical Point, Phase Shift, Mathematical analysis

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