Interesting tangents

You can find the problem and proof here: [url]http://mathlaoshi.com/2011/12/14/an-interesting-tangent/ [/url]. This is just fun with geogebra.
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Balazs Koren —

 
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exploration  fun  proof  tangent  tangent-function  triangle 
目标群组(年龄)
15 – 18
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English (United Kingdom)
 
 
 
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