February 27, 2017

Homework Help: Math

Posted by Nikki on Tuesday, August 11, 2009 at 4:27pm.

Graph and identify the kind of conic the graph represents:

a. x(t)=3 cos t
y(t)=3 sin t
on [0,2pi]

b. x(t) =2 cos t
y(t) =5 sin t
on [1,5]

I tried graphing A on my TI-89 calculator as y(1)=3 cos x and y(2)=3 sin x. All I see are two wave-like graphs crossing each other; I don't see a conic. Did I do something wrong?

Thanks very much!

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