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04-12-2020
Mathematics

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rotation 90 degrees counterclockwise about the origin

rotation 90 degrees counterclockwise about the origin class=

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04-12-2020

Answer:

Step-by-step explanation:

When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). In other words, switch x and y and make y negative.

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