Trigonometry
Trigonometry (frae Greek trigōnon, "triangle" an metron, "meisur"[1]) is a branch o mathematics that studies relationships involvin lenths an angles o triangles.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Circle-trig6.svg/350px-Circle-trig6.svg.png)
References
eedit- ↑ "trigonometry". Online Etymology Dictionary.
Trigonometry (frae Greek trigōnon, "triangle" an metron, "meisur"[1]) is a branch o mathematics that studies relationships involvin lenths an angles o triangles.