User:Mmmooonnnsssttteeerrr/Trigonometry
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![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/45-45-triangle.svg/150px-45-45-triangle.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/6/68/30-60-90.svg/150px-30-60-90.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Circle-trig6.svg/150px-Circle-trig6.svg.png)
Special triangles
[edit | edit source]There are two types of special triangles - angle-based and side-based.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d2/45-45-triangle.svg/150px-45-45-triangle.svg.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/68/30-60-90.svg/150px-30-60-90.svg.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Circle-trig6.svg/150px-Circle-trig6.svg.png)
There are two types of special triangles - angle-based and side-based.