Find a Rectangular Equation for the Plane Curve Defined by the Parametric

Multiple Choice

Find a rectangular equation for the plane curve defined by the parametric equations.
- $x = \sec t , y = \tan t$

A) $x ^ { 2 } - y ^ { 2 } = 1$
B) $y = x + 1$
C) $y ^ { 2 } - x ^ { 2 } = 1$
D) $\mathrm { y } = \mathrm { x } - 1$