fedelta
Well-Known Member
infirmus said:Trigonometry is to do with triangles. Here's a picture just in case you dont know what one looks like.kman said:I seriously feel sorry for you guys. you got schooled in TIFO now your getting schooled in trigonometry.infirmus said:Just a little link for you poor uneducated folk. Hope you can understand this one skilbeck.
http://en.wikipedia.org/wiki/Rotational_symmetry
I prefer this diagram as it exhibits all of the trigonometric functions of angle θ, which can be constructed geometrically in terms of a unit circle centered at O.