Find the principal unit normal vector N for the curve r(t). r(t) = (6t sin t...

 

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Find the principal unit normal vector N for the curve r(t). r(t) = (6t sin t + 6 cos t)i + (6t cost-6 sin t))k N = (sin t)i + (cost)k N = (cos t)i - (sin t)k N=. =√(cos ti - (sin t)k N = (-sin t)i - (cost)k Find the principal unit normal vector N for the curve r(t). r(t) = (6t sin t + 6 cos t)i + (6t cost-6 sin t))k N = (sin t)i + (cost)k N = (cos t)i - (sin t)k N=. =√(cos ti - (sin t)k N = (-sin t)i - (cost)k

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t 6t Sint 6 cost 6 cost 6 sint The principle normal vector is defined by T t T ... View the full answer