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keisanHigh-precision calculations for everyday life and work

Coordinate Rotation

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This function calculates the new coordinates when coordinates are rotated around the origin.
Original coordinates (x
,
y)
Rotation angle θ
( θ : Enter a negative number for clockwise rotation)
New Coordinates (x' ,y' )
\(\normalsize Rotation\ of\ points\hspace{20px}\theta: (x,y)\rightarrow (x',y')\\ \hspace{20px}x'=x \cos(\theta)-y \sin(\theta)\\ \hspace{20px}y'=x \sin(\theta)+y \cos(\theta)\\\)

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Coordinate Rotation | Keisan