(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Find the curvature of a helix given by the parametric equation r(t)=<acost, asint, bt> where a and b are real numbers

2. Relevant equations

I know k=|T'(t)/r'(t)|

3. The attempt at a solution

and I believe the answer to be k=b/(a^{2}+b^{2})^{1/2}, I just don't know how to get there

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

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: Curvature of a Helix

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