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Hello,
I am trying to understand this partially rotated coordinate systems.
I do not understand how does x'=xcos(theta)+ysin(theta) and y'=ycos(theta)xsin(theta)
I am probably stuck at silly answer but i need this to understand deriving of formulas for special relativity.
Thanks
I am trying to understand this partially rotated coordinate systems.
I do not understand how does x'=xcos(theta)+ysin(theta) and y'=ycos(theta)xsin(theta)
I am probably stuck at silly answer but i need this to understand deriving of formulas for special relativity.
Thanks
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