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Trigonometric Ratios of Special Angles by shanlee

Trigonometric Ratios of Special Angles by shanlee
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2016-04-05 22:52
AngleFunctionTrigonometry
This example demonstrates the trigonometric ratios of special angles. Key mathematical concepts include trigonometry, similarity transformation or similarity, mode, and arithmetic operations. Using GeoGebra commands such as RandomElement and If, it dynamically shows the sine, cosine, and tangent values of different special angles. Suitable for high school mathematics education and learning.

GeoGebra Commands & Parameters

  1. RandomElement({30, 30, 30, 30, 45, 45}) → b
  2. If(b ≟ 30, RandomElement[{4, 5, 7, 8, 10, 11, 13, 14, 16, 17, -4, -5, -7, -8, -10, -11, -13, 4, 5, 7, 8, 10, 11}], RandomElement[{2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 15, 17, -3, -5, -7, -9, -11, -2, -4}]) → c
  3. RandomElement({5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 0}) → a