Thread: Formulas for transformation of axis?

plz someone give me the formulas for rotational transformation and translational transformation of axis... and plz define the new co ordinate whether it is x or xprime.....i got the formulas, but i got confused on the old and new co ordinates, so plz suggest it again with precise notation...like i got xprime=xcosA+ysinAwhat is the new co ordinate here, and is the formula ok for rotation? i m getting confusedregards..

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