Consider the helix r(t) = <cost, sint, t> for [-inf, inf]. Find all points on the helix at which r and r' are orthogonal

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- October 17th 2012, 07:41 PMjessicadowningFind the points where orthogonal
Consider the helix r(t) = <cost, sint, t> for [-inf, inf]. Find all points on the helix at which r and r' are orthogonal

- October 17th 2012, 07:53 PMTheEmptySetRe: Find the points where orthogonal
- October 17th 2012, 07:53 PMchiroRe: Find the points where orthogonal
Hey jessicadowning.

Can you compute r'(t)? When are two vectors orthogonal? (Hint: it has something to do with something being 0) - October 17th 2012, 08:04 PMjessicadowningRe: Find the points where orthogonal
Yeah, I got it from there, thanks so much!

And Corvallis is great, I'm loving it so far! (I'm a freshman, lol)

I haven't heard of Tarn Tip Thai, but it sounds good, I'll have to try it! :) - October 17th 2012, 08:11 PMTheEmptySetRe: Find the points where orthogonal