A_{y}

Sin

Cos

Tan

B = Point(xAxis)
c = Circle(B, 1)
A = Point(c)
f = OrthogonalLine(A, xAxis)
g = OrthogonalLine(A, yAxis)
A_{x} = Intersect(xAxis, f)
D = Intersect(c, xAxis, 2)
O = Point(xAxis)
h = Segment(A, A_{x})
α = Angle(D, B, A)
i = Segment(B, A)
d = CircleArc(B, D, A)
Y: (α, y(A))
j = Segment(A, Y)
Z: (α, x(A) + 2)
B' = Rotate(B, 90°, A)
β = Angle(B, A, B')
k = Line(A, B')
C = Intersect(k, xAxis)
distanceAC = Distance(A, C)
TextAC: Name[A] + (Name[C]) + " = " + distanceAC
l = Segment(B, A_{x})
W: (α, If[0° < α < 90° ∨ 180° < α < 270°, distanceAC, (-distanceAC)])
a = true
b = false
e = true
text1: "\fbox{Nurk \; α=" + (LaTeX[α]) + " \\
sin \; α=" + (LaTeX[y(Y)]) + " \\
cos \; α=" + (LaTeX[y(Z)]) + " \\
tan \; α=" + (LaTeX[y(W)]) + "
}"