90 degree rotation calculator

Rotation of points θ: (x,y)→ (x,y) x =xcos(θ)−ysin(θ) y =xsin(θ)+ycos(θ) R o t a t i o n o f p o i n t s θ: ( x, y) → ( x ′, y ′) x ′ = x cos ( θ) − y sin ( θ) y ′ = x sin ( θ) + y cos ( θ) Related links New

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Click and drag the blue dot to see it's image after a 90 degree clockwise rotation (the green dot). Pay attention to the coordinates. How are they related? New Resources Banca Boat (version 2) Graphing Perpendicular Lines in the
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