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Unit Circle IH

Unit Circle IH
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2016-02-21 18:51
CircleTrigonometry
This example demonstrates the geometric construction of the unit circle. Key mathematical concepts include trigonometry and geometric construction. Using GeoGebra commands such as Intersect, Point, and Circle, the example dynamically shows the relationship between points on the unit circle and angles. Suitable for high school mathematics education and learning.

GeoGebra Commands & Parameters

  1. Intersect(xAxis, yAxis) → A
  2. Point(xAxis) → B
  3. Circle(A, B) → c
  4. Point(c) → C
  5. Segment(A, C) → a
  6. OrthogonalLine(C, xAxis) → b
  7. Intersect(b, xAxis) → D
  8. Segment(C, D) → Y
  9. Segment(A, D) → X
  10. Angle(B, A, C) → α