In the rectangular coordinate system, each point (x,y) has a unique representation. Why is this not true for a point (r,θ) in the polar coordinate system?
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If you had an angle of 0 and a radius of 1, you could also get that same point with an angle of π with a radius of -1
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it is also true for a point (r,θ) in the polar coordinate system if we define 0<=θ
If out of the range, it comes to the 2nd layer of the space. In (x,y), we can also have 2nd layer if we wanted to.
If out of the range, it comes to the 2nd layer of the space. In (x,y), we can also have 2nd layer if we wanted to.