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3 years ago

9

Please help me with this

1 answer:

zzz [600]3 years ago

3 0

Answer: Z'(-7;8)

suppose the coordinates of Z' is Z'(x,y)

we have:

$\left \{ {{x=8.cos90-7.sin90=-7} \atop {y=8.sin90+7.cos90=8}} \right.$

=> Z'(-7;8)

Step-by-step explanation:

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