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Since smaller loops correspond to larger z values, those loops collapse down to the location of a maximum. We'll see how to find the exact coordinates in the next folder.
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Equations for the critical points
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The critical points should be the solutions of the following equations. Turn them on to see where those curves intersect.
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equals
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equals
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Trigonometry: Period and Amplitude
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Calculus: Taylor Expansion of sin(x)
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