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Unit Circle and Graphs

Unit Circle and Graphs
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2019-02-20 22:29
CircleTrigonometryCoordinate Geometry
This example demonstrates the relationship between the unit circle and graphs. Core mathematical concepts include trigonometry and coordinate geometry. Using GeoGebra commands such as Point, Circle, Angle, OrthogonalLine, Intersect, etc., points on the unit circle and related graphs are constructed. Suitable for high school mathematics education and learning.

GeoGebra Commands & Parameters

  1. Point(yAxis) → O
  2. Point(xAxis) → B
  3. Circle(O, B) → c
  4. Point(c) → A
  5. Angle(B, O, A) → α
  6. OrthogonalLine(A, xAxis) → f
  7. Intersect(f, xAxis) → C
  8. Segment(O, A) → g
  9. Segment(O, C) → h
  10. OrthogonalLine(A, yAxis) → i
  11. Intersect(i, yAxis) → D
  12. Segment(D, O) → j
  13. Segment(D, A) → k
  14. Segment(A, C) → l