''' Identitee remarquable (cos a)**2+(sin a)**2 =1 -1 <= cos(x) <= 1 -1 <= sin(x) <= 1 ____________________________ Angles remarquables - cos(0)=1 sin(0)=0 - cos(π/6)=(√3)/2 sin(π/6)=1/2 - cos(π/4)=(√2)/2 sin(π/4)=(√2)/2 - cos(π/3)=1/2 sin(π/3)=(√3)/2 - cos(π/2)=0 sin(π/2)=1 - cos(π)=-1 sin(π)=0 - cos(3π/2)=0 sin(3π/2)=-1 ____________________________ liste angle (sens trigo) 0, π/6, π/4, π/3, π/2 2π/3, 3π/4, 5π/6, π 7π/6, 5π/4, 4π/3, 3π/2 5π/3, 7π/4, 11π/6, 2π '''