angles x et π + x

déplacer le point F
comparer sin(π+x) et cos(π+x) avec sin(x) et cos(x)

x

π + x

sinus

cosinus

A = Intersect(xAxis, yAxis)
c = Circle(A, 1.0)
B, C = Intersect(c, xAxis)
D, E = Intersect(c, yAxis)
J, K = Intersect(c, b)
g = CircleArc(A, C, B)
F = Point(g)
F' = Mirror(F, A)
a = Segment(A, F)
d = Segment(A, F')
α = Angle(C, A, F)
β = Angle(C, A, F')
e = OrthogonalLine(F', yAxis)
f = OrthogonalLine(F, yAxis)
h = OrthogonalLine(F, xAxis)
i = OrthogonalLine(F', xAxis)
G = Intersect(e, yAxis)
H = Intersect(f, yAxis)
I = Intersect(i, xAxis)
L = Intersect(h, xAxis)
j = Segment(G, F')
k = Segment(F', I)
l = Segment(H, F)
m = Segment(F, L)