Ramo di iperbole in forma parametrica

\[
\left\{
\begin{array}
x=x_{0}+a\operatorname{Ch}t\
y=y_{0}+b\operatorname{Sh}t
\end{array}
\right.
\]

x0 = 0 (slider from -5 to 5)
y0 = 0 (slider from -5 to 5)
a = 1.5 (slider from -5 to 5)
b = 2.1 (slider from 0 to 5)
t1 = -10 (slider from -10 to 10)
t2 = 10 (slider from -10 to 10)
a_1 = CurveCartesian(x0 + (a * cosh(t)), y0 + (b * sinh(t)), t, t1, t2)