Trig functions and the unit circle

Showing the relationship between the angle [math]\theta [/math] in a right-angled triangle defined on a unit circle, and the functions sine, cosine and tangent. Change the angle [math]\theta[/math] to see the curves get traced out.

 

Dr Adrian Jannetta

 
Resource Type
Activity
Tags
circle  cosine  functions  graph  ratios  sine  tangent  trignometric  unit  unit-circle 
Target Group (Age)
15 – 18
Language
English (United Kingdom)
 
 
GeoGebra version
4.2
Views
2660
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