Question

The equation $x=\frac{e^t+e^{-t}}{2};y=\frac{e^1-e^{-t}}{2};t\in$ R represents

• A. an ellipse
• B. a parabola
• C. a hyperbola
• D. a circle.

Answer 1

Answer: (C)

Correct answer is (c) a hyperbola