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Unit Circle Demonstration by madelgado489

Unit Circle Demonstration by madelgado489
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2018-04-05 12:46
CircleTrigonometryGeometric Construction
This example demonstrates the basic properties of the unit circle. Key mathematical concepts include the definition and properties of a circle. Using GeoGebra commands such as Intersect, Rotate, Angle, and Segment, the example dynamically shows the relationship between points on the unit circle and angles. Suitable for students in middle school and above learning geometry and trigonometry.

GeoGebra Commands & Parameters

  1. Intersect(xAxis, yAxis) → O
  2. Intersect(c, xAxis, 2) → A
  3. Rotate(A, α, O) → B
  4. Angle(A, O, B) → θ
  5. Segment(O, B) → f
  6. OrthogonalLine(B, xAxis) → g
  7. Intersect(g, xAxis) → C
  8. Segment(B, C) → h
  9. Segment(O, C) → i