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Unit Circle Demonstration by Debbie Terceros

Unit Circle Demonstration by Debbie Terceros
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2016-12-16 04:30
CircleAngleTrigonometryGeometric Construction
This example demonstrates the construction of the unit circle and its relationship with trigonometric functions. Key math concepts include circle, angle, distance, and orthogonal line. Construction highlights involve commands like Intersect, Circle, Point, Segment, Angle, Distance, and OrthogonalLine. Suitable for high school mathematics education to understand trigonometric definitions and geometric representations.

GeoGebra Commands & Parameters

  1. Intersect(xAxis, yAxis) → A
  2. Circle(A, 1) → c
  3. Point(c) → B
  4. Segment(A, B) → a
  5. Intersect(c, xAxis, 2) → C
  6. Angle(B, A, C) → α
  7. Distance(B, a) → distanceBa
  8. OrthogonalLine(B, xAxis) → d
  9. Intersect(d, xAxis) → D
  10. Angle(B, D, A) → β
  11. Distance(B, D) → distanceBD
  12. Distance(A, D) → distanceAD