- #1
themadhatter1
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Homework Statement
show that the curvature of a plane curve is [tex]\kappa=|\frac{d\phi}{ds}|[/tex] where phi is the angle between T and i; that is, phi is the inclination of the tangent line.
Homework Equations
The Attempt at a Solution
I'm not sure how to start this one out.
Any ideas?