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Mathematics 10 Online
OpenStudy (anonymous):

Need help in sketching a parametric curveve familiar from trigonometry. Find slope and determine whether the graph is concave up or down

OpenStudy (anonymous):

here is the complete question http://i45.tinypic.com/29wqolh.png

OpenStudy (anonymous):

i know how to find the derivative but im not really getting the rest of it

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