(a) Find the slope of the tangent to the astroid x a cos3 , y a sin3 in terms of
Chapter 10, Problem 28(choose chapter or problem)
(a) Find the slope of the tangent to the astroid x a cos3 , y a sin3 in terms of . (Astroids are explored in the Laboratory Project on page 649.) (b) At what points is the tangent horizontal or vertical? (c) At what points does the tangent have slope 1 or 21?
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