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Y aksen. sin90 -cos90 Y
X aksen. = 0 1 X
Y aksen. 1 0 Y
X aksen. = Y
Y aksen. X
Y = X aksen, X = Y aksen
Persamaan lingkaran sebelum dicerminkan:
(X-3)² + (Y-4)² = 0
(X²-6X+9) + (Y²-8Y+4) = 0
X²+Y²-6X-8Y+13 = 0
Persamaan lingkaran sesudah dicerminkan:
X²+Y²-8X-6Y+13 = 0