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Mathematics 18 Online
OpenStudy (astrophysics):

r=3cos theta why is this a circle? @ganeshie8

OpenStudy (astrophysics):

|dw:1412958604168:dw| How is this a circle? I can draw like the complicated ones but not this haha?

OpenStudy (astrophysics):

|dw:1412958724522:dw| I thought it was like this, 0 to 2pi

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