In Exercises 21-40, eliminate the parameter t. Then use the rectangular equation to sketch the plane curve represented by the given parametric equations. Use arrows to show the orientation of the curve corresponding to increasing values oft. (If an interval for t is not specified, assume that
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Algebra And Trigonometry With Integrated Review, Books A La Carte Edition, Plus Mylab Math With Pearson Etext -- Title-specific Access Card Package (6th Edition)
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