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Mathematics 19 Online
OpenStudy (anonymous):

matrix coordinates, question in picture, please help? :)

OpenStudy (anonymous):

question vv

OpenStudy (amistre64):

90 degree rotation i believe swaps positions and negates one of them

OpenStudy (amistre64):

(0,a) flips to (a,0) flips to (0,-a) so it looks like a counterclockwise swaps places and negates the y parts

OpenStudy (amistre64):

0 1 -1 0 looks like it shold work, but best to dbl chk

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