The graph in the xy-plane represented by

for

the answer is a circle with the equation

but got stuck on how this was derived especially from the trig functions(Hi)

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- April 14th 2010, 02:26 PMbigwavegraph in the xy plane is
The graph in the xy-plane represented by

for

the answer is a circle with the equation

but got stuck on how this was derived especially from the trig functions(Hi) - April 14th 2010, 03:10 PMskeeter