**TI82** TxtView file generated by CalcText - Kouri° ”valleure”Ÿ’valleuure___________________________ x | cos(x)| sin(x) | 0 | 1 | 0 | pi/6 |(rac3)/2| 1/2 | pi/4 |(rac2)/2|(rac2)/2| pi/3 | 1/2 |(rac3)/2| pi/2 | 0 | 1 | pi | -1 | 0 | 2pi | 1 | 0 | 2pi/3 | -1/2 |(rac3)/2| 3pi/4 |-(rac2)/2|(rac2)/2| 5pi/6 |-(rac3)/2| 1/2 | cos (-x) = pi - x sin (-x) = -x cos (-x) sin (-x) = pi+ x ’Äh