$O$

$x$

$y$

$\theta$

$\theta$

$P$

$M$

$\theta$

$N$

$\theta$

$T$

$\theta$

$y$

A = Intersect(xAxis, yAxis)
B = Point(xAxis)
c = Circle(A, B)
f = Tangent(B, c)
D = Intersect(c, yAxis, 2)
g = Tangent(D, c)
ζ = Angle(f, xAxis)
η = Angle(g, yAxis)
θ = 0.9948376736367678 rad (slider from 0° to 900°, step 0.017453292519943295)
α: θ
P: (cos(θ), sin(θ))
n = Line(A, P)
J = Intersect(f, n)
ι: (Angle[xAxis, n] * θ)
C = Intersect(g, n)
β = Angle(xAxis, n)
E = (-6.418691263607948, -1.3541014040088304)
F = (-0.41869126360794784, -1.3541014040088304)
G = (-0.41869126360794784, -4.354101404008826)
H = (-6.418691263607948, -4.354101404008826)
T: (θ, tan(θ))