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Trigonometric Ratios by Accesscd

Trigonometric Ratios by Accesscd
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2020-03-27 00:51
AngleTrigonometryGeometric Construction
This example demonstrates the relationships of trigonometric functions such as sine, cosine, and tangent. By constructing angles and sides, it illustrates the basic properties of trigonometric functions. Commands used include Segment, Rotate, Angle, Ray, and Intersect. Suitable for middle school and above students to learn trigonometry and geometric construction.

GeoGebra Commands & Parameters

  1. Segment(A, C) → b
  2. Rotate(A, (-(90°)), C) → A'
  3. Angle(A', C, A) → α
  4. Ray(C, A') → g
  5. Rotate(C, angle°, A) → C'
  6. Angle(C, A, C') → β
  7. Ray(A, C') → h
  8. Intersect(g, h) → B
  9. Segment(C, B) → a
  10. Segment(A, B) → c