MediumCurves in space

Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §12.1 The Position Vector, #31 · Multivariable Calculus · Curves in space

Suppose the unit tangent vector … is the derivative of

Suppose the unit tangent vector $T (t)$ is the derivative of $R (t)$ . What does that say about the speed? Give a noncircular example.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §12.1 The Position Vector, #31

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