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grajee
#3
Feb15-13, 09:15 AM
P: 3
Suppose, if you have a SLANTING line (45 degree) in between X & Y axis and if you rotate the coordinates by 45 degrees would not (or should not) the SLANTING line also move by 45 degree? If the SLANTING line does not (or should not) move then I agree the X axis is the same as the SLANTING line.