When m=2n,(adsbygoogle = window.adsbygoogle || []).push({});

[tex]x=a(1+2\cos(2nt))[/tex]

[tex]y=2a\sin(2nt)[/tex]

where

a is a constant.

The graph is a circle. Now, what is the variable with respect to which the functions x and y are calculated? Is it n or t? When I tried it on Microsoft Excel, neither created a circle. So I really don't know which one is the variable. Thanks.

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# What is the variable in the Plateau curve

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