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Unformatted text preview: r ( t ) = h , i whenever either cos( t ) = 0 or sin( t ) = 0. So r ( t ) = when t = 0 , / 2 , , 3 / 2 ,... which shows that the curve is not smooth....
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This note was uploaded on 05/09/2008 for the course MATH 2130 taught by Professor Dorais during the Spring '08 term at Cornell University (Engineering School).
 Spring '08
 DORAIS
 Math, Calculus

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