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Unformatted text preview: #1: Show that the curve x = t cos t , y = t sin t , z = t lies on the cone z 2 = x 2 + y 2 . #2: If r ( t ) 6 = , use | r | 2 = r r to show that d dt | r ( t ) | = r ( t ) r ( t ) | r ( t ) | . #3: Find the curvature of y = 2 x-x 2 ....
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This note was uploaded on 09/17/2011 for the course MATH 233 taught by Professor Mela during the Spring '06 term at UNC.
- Spring '06