find the curvature K of the curve....

r(t) = 4ti+ 3 cos tj+ 3 sin tki am confused after i find r'(t)...

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- Jun 10th 2008, 10:48 AMchris25curvature
find the curvature K of the curve....

r(t) = 4t**i**+ 3 cos t**j**+ 3 sin t**k**i am confused after i find r'(t)...

- Jun 10th 2008, 11:56 AMTheEmptySet
- Jun 10th 2008, 12:07 PMwingless
As far as I know, it's

See here if you wonder how to get the formula:

Curvature -- from Wolfram MathWorld - Jun 10th 2008, 07:14 PMTheEmptySet