Rotating Lines

Author:David Wees

Try changing the value of the angle below. What relationships do you see between the lines as the angle changes? What relationships do you see between the lines when they are perpendicular to each other?

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Viviani's Curve

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Percent Change Visualized with Area
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Math Olympiad
Parabola and Slope of a Tangent
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Scatter Plot
Circumcircle or Circumscribed Circle
Integral Calculus
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