Fonctions sinus et cosinus
Author: Yvan Monka - m@ths et tiques 2013

x

(x ; cos(x))

(x ; sin(x))

sin(x)

cos(x)

cos(x)

x

x

Déplacer le point vert.

f(x) = cos(x)
g(x) = sin(x)
A = Point(xAxis)
a = OrthogonalLine(A, xAxis)
B = Intersect(f, a, (2.2804344702765276, -0.6515593101638135))
C = Intersect(g, a, (2.2804344702765276, 0.7585976966342933))
D = Intersect(g, xAxis, (0, 0))
c = Circle(D, 1)
M: (y(B), y(C))
d = Segment(D, M)
b = Segment(A, B)
e = Segment(A, C)
h = OrthogonalLine(M, yAxis)
E = Intersect(h, yAxis)
i = Segment(M, E)
j = Segment(E, C)
k = OrthogonalLine(M, xAxis)
F = Intersect(k, xAxis)
l = Segment(M, F)
m = OrthogonalLine(B, yAxis)
G = Intersect(m, yAxis)
n = Segment(B, G)
H, I = Intersect(c, xAxis)
p = Segment(D, E)
q = Segment(D, F)
r = Segment(D, G)
s = Segment(D, A)
abs_1: x(A)
texte1: "x=" + abs_1 + " rad"
α = Angle(I, D, M)
β = Angle(M, D, I)