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1) For this problem use the following space curve: Ft) =< 1,3 sin(t), 3 cos(t) > a) Determine the unit tangent vector: T. b)
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T(t) = < t, 3sin Lt, 31056) > (a) determine the unit tangent vectores 8(t) = tît 3 Sint) 9 + 3 cos Lt) Å Tangent vector drit)(6) determine the unit Normal Vector N NCH = TILE I T TCH = Cut 3 cast Vio -3 sint > Vio dT dt - Los Lo -3 sint -3 sint 3 co() determine the cunature of this space wwe at the point: (0,0,3) Curvature = 11 TAll 11 WWII K(+) = 11 r(t) x 8 (H11 118@ determine the arre length of the curve bet tro and t=1 8(t) = (t 3 sint, 3 st) x = t y=3 sint 2=3 cost dy JE = 3 cost dz -3

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