Cot

Tan

Sin

Cos

Csc

Sec

A = Intersect(xAxis, yAxis)
B = Point(xAxis)
c = Circle(A, B)
C = Point(c)
a = Tangent(C, c)
D = Intersect(a, xAxis)
E = Intersect(a, yAxis)
b = Segment(A, C)
d = OrthogonalLine(C, xAxis)
F = Intersect(d, xAxis)
e = Segment(E, C)
f = Segment(C, D)
g = Segment(C, F)
h = Segment(A, F)
i = Segment(A, E)
j = Segment(A, D)