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Why Trig Ratios Work

Why Trig Ratios Work
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2016-02-09 13:19
AngleTrigonometryGeometric Construction
This example demonstrates the principles of trigonometric ratios, involving concepts of angles and trigonometric functions. It constructs geometric objects such as segments, orthogonal lines, and angles to illustrate the definitions and properties of trigonometric functions. GeoGebra commands used include Segment, OrthogonalLine, Point, and Angle. Suitable for high school mathematics education and learning.

GeoGebra Commands & Parameters

  1. Segment(A, B) → a
  2. OrthogonalLine(B, a) → b
  3. Point(b) → C
  4. Segment(C, A) → c
  5. Segment(B, C) → d
  6. Angle(B, A, C) → α
  7. Angle(C, B, A) → β