The parametric equations is "".

Eliminate the parameter t using a pythagorean identity.

The parametric equation is hyperbola.

a² = 1, b² = 1 vertices at (1, 0) = (1, 0) = (1, 0), (1, 0).

.

Then foci at (c, 0) = (, 0).

The asymptote lines .

At   ⇒ 

At   ⇒ 

At   ⇒  \ \

\ x \	\ \	\ y \	\ (x, y) \
\ \	\ \	1	(, 1)
	\ \
\ 1 \	\ \	\  0 \	\ (1, 0) \

The graph of the equations .

The solution is .