cos(α-β) = sin(90°-(α-β))

סינוס סכום הזוויות

α

β

β

β

α

β

α

sinα sinβ

cosα cosβ

קוסינוס הפרש זוויות

α = 0.8028514559173916 rad (slider from 0 to 90*°, step 0.017453292519943295)
β = 1.2217304763960306 rad (slider from 0 to 90*°, step 0.017453292519943295)
A = (3.2, 0)
B = (5.4, 0)
a = Line(A, B)
B' = Rotate(B, α, A)
γ = Angle(B, A, B')
b = Ray(A, B')
c = Circle(A, 1)
C = Intersect(c, b, 1)
d = OrthogonalLine(C, a)
D = Intersect(a, d)
poly1, a_1, c_1, d_1 = Polygon(C, D, A)
E = Point(a)
E' = Rotate(E, -(90° - β), A)
δ = Angle(E', A, E)
e = Ray(A, E')
F = Intersect(c, e, 1)
f = OrthogonalLine(F, a)
G = Intersect(a, f)
poly2, g, a_2, f_1 = Polygon(A, F, G)
H = Point(d)
I = Point(f)
k = Circle(C, 1)
H' = Rotate(H, β, C)
ε = Angle(H, C, H')
h = Ray(C, H')
J = Intersect(k, h, 1)
i = OrthogonalLine(J, d)
K = Intersect(d, i)
poly3, j, k_1, c_2 = Polygon(K, C, J)
L = Intersect(f, i)
poly4, l, j_1, f_2 = Polygon(J, F, L)
M = Point(a)
m = OrthogonalLine(B, a)
M' = Rotate(M, 90° - β, B)
ζ = Angle(M, B, M')
n = Ray(B, M')
p = Circle(B, 1)
N = Intersect(p, n, 1)
q = OrthogonalLine(N, a)
O = Intersect(a, q)
poly5, b_1, n_1, o = Polygon(N, O, B)
r = OrthogonalLine(N, m)
P = Intersect(m, r)
poly6, p_1, n_2, b_2 = Polygon(N, B, P)
Q = Intersect(i, m)
s = Circle(Q, 1)
R = Intersect(s, r, 2)
poly7, r_1, q_1, p_2 = Polygon(Q, P, R)
t = OrthogonalLine(R, i)
S = Intersect(i, t)
poly8, r_2, q_2, s_1 = Polygon(Q, S, R)
T = Intersect(i, q)
poly9, q_3, p_3, n_3, t_1 = Polygon(Q, P, N, T)
U = Intersect(a, t)
poly10, p_4, b_3, u, r_3 = Polygon(P, B, U, R)
poly11, c_3, j_2, f_3, a_3 = Polygon(C, J, F, A)
η = Angle(G, F, A)
θ = Angle(L, J, F)
ι = Angle(N, B, P)
κ = Angle(S, Q, R)
e_1 = OrthogonalLine(J, g)
V = Intersect(e_1, g)
g_1 = Segment(J, V)
h_1 = OrthogonalLine(F, k_1)
W = Intersect(h_1, k_1)
i_1 = Segment(W, F)