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cos²a+sin²a=1 Pythagoras augmented
Author:
Arjen Dijksman
Topic:
Angles
,
Area
,
Circle
,
Circumcircle or Circumscribed Circle
,
Cosine
,
Geometry
,
Incircle or Inscribed Circle
,
Pythagoras or Pythagorean Theorem
,
Rectangle
,
Right Triangles
,
Special Points
,
Square
,
Surface
,
Geometric Transformations
,
Triangles
,
Trigonometry
,
Unit Circle
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