\alpha

\alpha

\frac{\alpha}{n}

n\,\theta

\theta

\frac{\alpha}{4}

\frac{\alpha}{2}

\cos(\alpha)

\cos\left(\frac{\alpha}{n}\right)

\cos(n\,\theta)

\cos(\theta)

1

1

1

1

1

1

Ha 2016

α = 0.8726646259971648 rad (slider from 0 to 6.283185307179586, step 1)
A = Point(xAxis)
B = Point(xAxis)
C = Point(xAxis)
D = Point(xAxis)
E = Point(xAxis)
F = Point(xAxis)
f = Segment(A, B)
g = Segment(C, D)
h = Segment(E, F)
B' = Rotate(B, α, A)
β = Angle(B, A, B')
D' = Rotate(D, α, C)
γ = Angle(D, C, D')
F' = Rotate(F, α, E)
δ = Angle(F, E, F')
i = Ray(A, B')
j = Ray(C, D')
k = Ray(E, F')
c = Circle(B', 2)
d = Circle(B, 2)
G = Point(c)
H = Intersect(c, yAxis, 1)
I = Point(d)
J = Point(d)
K, L = Intersect(d, c)
M = Intersect(f, xAxis)
e = Circle(A, B)
N = Point(c)
l = Ray(A, L)
O = Intersect(e, l)
p = Circle(O, 2)
P = Point(e)
Q = Point(e)
R = Point(p)
S = Point(p)
q = CircleArc(A, P, Q)
r = CircleArc(B', G, N)
s = CircleArc(B, J, I)
t = CircleArc(O, S, R)
T = Point(xAxis)
U = Intersect(t, s)
m = Ray(A, U)
V = Point(m)
W = Point(l)
n = Segment(A, W)
a = Segment(A, V)
T' = Rotate(T, α, A)
ε = Angle(T, A, T')
c_1 = Circle(C, D)
d_1 = Circle(E, F)
Z = Point(c_1)
A_1 = Point(c_1)
B_1 = Point(d_1)
C_1 = Point(d_1)
e_1 = CircleArc(E, B_1, C_1)
f_1 = CircleArc(C, Z, A_1)
b = OrthogonalLine(D', g)
g_1 = OrthogonalLine(F', h)
D'_1 = Rotate(D, α / 3, C)
ζ = Angle(D, C, D'_1)
F'_1 = Rotate(F, α / 3, E)
η = Angle(F, E, F'_1)
h_1 = Ray(C, D'_1)
i_1 = Ray(E, F'_1)
D_1 = Point(h_1)
E_1 = Point(i_1)
j_1 = OrthogonalLine(D'_1, g)
k_1 = OrthogonalLine(F'_1, h)
F_1 = Intersect(b, g)
G_1 = Intersect(j_1, g)
H_1 = Intersect(g_1, h)
I_1 = Intersect(k_1, h)
J_1 = Point(b)
K_1 = Point(j_1)
L_1 = Point(g_1)
M_1 = Point(k_1)
l_1 = Segment(D'_1, K_1)
m_1 = Segment(D', J_1)
n_1 = Segment(F', L_1)
p_1 = Segment(F'_1, M_1)
q_1 = Segment(C, D_1)
r_1 = Segment(E, E_1)
θ = Angle(T, A, V)
ι = Angle(T, A, W)
s_1 = Segment(A, T)
t_1 = Segment(C, F_1)
a_1 = Segment(E, H_1)
b_1 = Segment(C, G_1)
f_2 = Segment(E, I_1)
g_2 = Segment(G_1, D)
h_2 = Segment(I_1, F)