i have the parametric equations to the curve X = cos t y = sin t and z = t(adsbygoogle = window.adsbygoogle || []).push({});

which of the following surfaces does it lie on?

1)circular cylinder

2)elliptic paraboloid

3)sphere

4)plane

I think theres more than one answer but i cant seem to picture it from the equation on why. Anyone know y?

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: CAL 3 concept

**Physics Forums | Science Articles, Homework Help, Discussion**