Find a Cartesian equation for the curve.(adsbygoogle = window.adsbygoogle || []).push({});

[tex]18=rcos \theta[/tex]

[tex]\frac{\ 18}{cos \theta}= \sqrt{x^2+y^2}[/tex]

how do I get rid of the cosine?

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

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

# Homework Help: Simple polar to cartesian conversion

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