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Trigonometric Ratios Demo

Trigonometric Ratios Demo
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2020-07-25 14:14
CircleTrigonometryGeometric Construction
This example demonstrates the application of trigonometric ratios for any angle. It involves core concepts like trigonometric functions, unit circle, sine, cosine, tangent. Construction uses commands such as Intersect, Circle, Point, Angle, OrthogonalLine, Segment, Ray. Suitable for high school mathematics teaching and geometric construction learning.

GeoGebra Commands & Parameters

  1. Intersect(xAxis, yAxis) → A
  2. Circle(A, 1) → c
  3. Point(c) → P
  4. Intersect(c, xAxis) → C, E
  5. Angle(C, A, P) → α
  6. OrthogonalLine(P, xAxis) → b
  7. Intersect(b, xAxis) → D
  8. Segment(P, D) → Opposite
  9. Segment(A, D) → Adjacent
  10. Segment(A, P) → Hypotenuse
  11. OrthogonalLine(P, b) → d
  12. Ray(A, P) → g
  13. Intersect(c, xAxis, 1) → B
  14. Ray(A, B) → h