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:: :: ::# Polar coordinate system : - ( Area swept by archemedian spiral ; Solving problem ) - 17.

In mathematics polar coordinate system in two - dimensional coordinate system in which each point in a plane is determined by a distance from a reference point ...

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# CHEMtrails SPIRAL , and another chem from nowhere, day before tornadic system

I found it really odd that a central grew into a spiral shaped like a tornado. knew it was fishy. so I kept the video. next day we got 2-3 tornados in northwest pa, ...

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