PinkSheep1 PinkSheep1

20-03-2017
Mathematics

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I'm not sure if this is right or not could someone also explain why ?

Im not sure if this is right or not could someone also explain why class=

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Аноним Аноним

20-03-2017

the mapping rule for 90 degrees counterclockwise would be (-y,x). So if you had (x,y) it would transfer to (-y,x). Yours is wrong it should be (4,-3). Remember
-(-4) is 4 and -3 stays as -3.

Basically, memorize these mapping rules.

Hope this helped!

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