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What is the image point of (-6, -7) after the transformation R270° O ry-axis?

What is the image point of (-6, -7) after the transformation R270° O ry-axis?
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What is the image point of (-6, -7) after the transformation R270° O ry-axis?

What is the image point of (-6, -7) after the transformation R270° O ry-axis?-example-1
User FrameBuffer
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\begin{gathered} \text{first we reflect (-6,-7) over y-axis},\text{ we obtain (6,-7)}\cdot \\ then\text{ we rotate the point (6,-7) 270\degree},\text{ we obtain} \\ \\ (6\cos 270-(-7\sin 270),6\sin 270+(-7\cos 270))=(-7,6) \\ \\ \text{ the point is (-7,-6)} \end{gathered}

User Ludwigmace
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