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Unformatted text preview: 4 t t y t x + = + = . For which values of t is the curve concave upward? 5. Find the length of the curve 3 , 2 5 , -= + =-t t y e e x t t 6. Let t y t x 2 sin , cos 2 = = . Find the points on the curve where the tangent is horizontal or vertical. 7. Find the area of the surface obtained by rotating the curve 5 , 2 , 3 3 2 = = t t y t x , about the y-axis....
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- Fall '09
- L. OLDEWURTEL