On 3/15/2013 12:39 PM, FredJeffries wrote: > On Mar 15, 9:27 am, JT <jonas.thornv...@gmail.com> wrote: >> >> Another thing i always wondered why is radians used and not fractions >> to describe angles, i mean the unit circle has one turn? > > http://en.wikipedia.org/wiki/Rational_trigonometry >
What is the linear measure of the locus comprising "one turn"?
What fraction of "one turn" is a semicircle?
What is the length of the chord associated with a semicircle?
As for fractions, what was the earliest estimate for pi?
As for fractions, what numerical base did those early mathematical pioneers use for counting?
So, who is to blame for the stupid mathematics (pi=/=3) that the stupid mathematicians keep pushing on practical people?
(I don't know. But legend has it that the Pythagoreans threw him over the side of a boat at sea.)