A curve is defined by such that

Show that T and T' are always orthogonal by using |T|=1

edit: this should only take a few lines of working

i've tried using dot product =0 because the angle is 90 but i've no idea where to take that from there

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- Nov 21st 2009, 11:18 AMRubberduckzillaGeneral vector equation proof
A curve is defined by such that

Show that T and T' are always orthogonal by using |T|=1

edit: this should only take a few lines of working

i've tried using dot product =0 because the angle is 90 but i've no idea where to take that from there - Nov 21st 2009, 12:51 PMOpalg
- Nov 22nd 2009, 06:15 PMlugncap
I accept with information:A curve is defined by r(t) such that r'(t) \neq 0

T(t)=\frac{r'(t)}{|r'(t)|}

Show that T and T' are always orthogonal by using |T|=1

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