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**1. Homework Statement**

Replace the polar equation by an equivalent Cartesian (rectangular) equation. Then identify or describe the graph.

****Let's just make x = theta because I can't find a theta symbol*****

r = 2cos(x) + 2sin(x)

**2. Homework Equations**

none?

**3. The Attempt at a Solution**

x = rcos(x) = (2cos(x) + 2sin(x)) * cos(x)

y = rsin(x) = (2cos(x) + 2sin(x)) *sin(x)

No idea what do to from here.

Thanks in advance