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Help please!
1) rotation 90° counterclockwise about the
origin

Help please! 1) rotation 90° counterclockwise about the origin-example-1
User Mikepenz
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Point L would be (3,0), point Z would be (0,-4), and point J would be (2,-5). When rotating 90° counterclockwise about the origin, we turn the paper to the left and read the coordinates as if that’s the original way the paper was facing.
User Hokascha
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