Hyperbel:
(
−
∞
<
p
<
∞ )
x
(
p
)
=
a
·
cosh
p
;
y
(
p
)
=
b
·
sinh
p
a
=
−
1 ;
b
=
1
a
=
1 ;
b
=
1
a
=
1 ;
b
=
2
a
=
2 ;
b
=
1
⬃
