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Main Question or Discussion Point
Hi. I have been looking at the coordinate charts for the unit circle x^2 + y^2 = 1. In the notes I have the circle is split into 4 coordinate charts the first being -
##U_1## : x>0 , ##A_1## = y (PS without the symbols tab I have used A for the letter phi )
There are 3 more similar charts. My question is - do the 4 charts on their own show that they are referring to a unit circle ? I can't see that they do without providing extra information
##U_1## : x>0 , ##A_1## = y (PS without the symbols tab I have used A for the letter phi )
There are 3 more similar charts. My question is - do the 4 charts on their own show that they are referring to a unit circle ? I can't see that they do without providing extra information