Trigonometry can be used to find the length of a side in a triangle. Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing side in a right-angled ...

I'm a freakin idiot. Well, maybe I just need a refresher... because I'm 100% positive all this is buried in my pea brain.<BR><BR>Alright, I need to know the *how* because 1) I want to know/remember ...