 \text{Postup} 

1.  \; \text{ ... } a,b \text{ ... }

$S-\text{stred otáčania}$

$A$

$A'$

2.  \; \text{ ... } a,b \text{ ... }

3.  \; \text{ ... } a,b \text{ ... }

4.  \; \text{ ... } a,b \text{ ... }

5.  \; \text{ ... } a,b \text{ ... }

α

S = (0, 0)
α = 1.0471975511965976 rad (slider from 0 to 180°, step 15°)
A = (1, 1)
A' = Rotate(A, α, S)
T_a' = SurdText(A')
T_a = SurdText(A)
text6: "\text{Uhol otáčania }α=" + (LaTeX[α]) + ""
f = Segment(S, A)
g = Segment(S, A')
c = CircleArc(S, A, A')
a1: cos(α)
b1: sin(α)
a = SurdText(cos(α))
b = SurdText(sin(α))
text8: "A" + (LaTeX[T_a]) + ""
d = Circle(S, A)
text9: "M\left(\begin{array}{}  " + (LaTeX[a]) + " &- " + (LaTeX[b]) + "  \\" + (LaTeX[b]) + "   &  " + (LaTeX[a]) + " \\ \end{array}   \right)   "
β = Angle(A, S, A')
text7: "A'\left(" + (LaTeX[a]) + "- " + (LaTeX[b]) + " ," + (LaTeX[b]) + " +" + (LaTeX[a]) + "\right) "