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Trigonometric Function Relationships

Trigonometric Function Relationships
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2019-08-23 00:24
VectorFunctionTrigonometry
This example demonstrates the basic relationships between trigonometric functions. By rotating and transforming, it shows the connections between sine, cosine, and tangent functions. GeoGebra commands such as rotation, vector, and text input box are used in construction. Suitable for students at junior high school level and above to learn the basic properties and applications of trigonometric functions.

GeoGebra Commands & Parameters

  1. axis(-5, 5, -5, 5, {0}) → l1
  2. Circle(O, r) → c
  3. arc(0, angle, 1, 1.3, 0.3, O) → l2
  4. Rotate(A, angle, O) → A'
  5. Vector(O, A') → u
  6. Vector(O, A) → v
  7. Textfield(angle) → InputBox1
  8. Segment((x(A'), 0), A') → f
  9. Segment(O, (x(A'), 0)) → g
  10. Textfield(r) → InputBox2