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Calculus1 7 Online
OpenStudy (anonymous):

the question asks to sketch the curve and describe its direction: x= sin(1/2t) y=cos(1/2t) -π<=t<=π i'm confused how to sketch this... :( i get how to paramatrize the equations though someone help!!

OpenStudy (anonymous):

Make a table. Select values of t from -pi to pi and see what x and y coordinates you get. Something like this:

OpenStudy (anonymous):

|dw:1409097201917:dw|

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