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Unformatted text preview: x = √ t + 1 ,y = t 23 t,z = cos( πt ) (a) Write the parametric equations of the tangent line to C at the point (1 , , 1). (b) Find the unit tangent vector to C when t = 3. (c) Find the normal plane to the curve at the point (2 , ,1). 2 Math 230 Quiz #3 Fall 2010 3. Calculate the curvature of the curve ~ r ( t ) = ± 2 3 t 3 ,t 2 ,t + 2 ² at the point ( 2 3 , 1 , 3). 3...
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 '08
 WEINERMICHAELDA
 Math, Parametric Equations, Parametric equation, unit tangent vector

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