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Simple Sine Table Construction

Simple Sine Table Construction
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2014-10-27 19:50
FunctionTrigonometryGeometric Construction
This example demonstrates the construction of a sine table using randomly generated triangles. The core mathematical concepts involved are trigonometric functions. Using GeoGebra commands such as Circle, Point, Segment, Rotate, etc., a series of triangles are constructed to generate the sine table. Suitable for high school mathematics education and students learning trigonometric functions.

GeoGebra Commands & Parameters

  1. Circle(A, b) → c
  2. Point(c) → B_1
  3. Segment(A, B_1) → d
  4. Rotate(B_1, α, A) → B
  5. Angle(B_1, A, B) → β
  6. Segment(A, B) → e
  7. OrthogonalLine(B, d) → f
  8. Intersect(f, d) → C
  9. Segment(A, C) → g
  10. Segment(B, C) → h
  11. Angle(B, C, A) → γ
  12. Midpoint(e) → D
  13. Midpoint(h) → E