Discovering tangent

Students use two sliders to manipulate a right triangle. They calculate tangent (angle) for various triangles and arrive at a conclusion that only the input angle matters. If the base of the triangle is varied, the height varies in direct proportion so the final ratio remains the same.

 

Chris Patterson

 
Material Type
Activity
Tags
trigonometry  tangent  metacognition 
Target Group (Age)
11 – 14
Language
English (United Kingdom)
 
 
GeoGebra version
4.2
Views
1664
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