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## Homework Statement

I'm doing a line integral and can't seem to figure out the parametrization of this curve:

[itex]x^2+y^2+z=2\pi[/itex]

## Homework Equations

Looking to get it to the form:

[itex]\textbf{c}(r,t)=(x(r,t),y(r,t),z(r,t))[/itex] (I don't even know if this is right though).

## The Attempt at a Solution

Trying to use [itex]x=r \cos t[/itex] and [itex]y=r \sin t[/itex] but I still can't get anywhere.

I have a feeling I'm totally in the wrong direction.

The [itex]2\pi[/itex] is killing me too!

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