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(defun c:mysin ()
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(setq x 0
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dx (/ pi 100)
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)
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(setq y 0)
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(command "line")
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(while (<= x (* 2 pi))
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(setq y (sin x))
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(command (list x y))
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(setq x (+ x dx))
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)
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(command "")
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(command "line"
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(list 0 0)
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(list (* 2 pi) 0)
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""
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)
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(command "line"
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(list 0 -1)
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(list 0 1)
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""
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)
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(command "zoom" "e")
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)
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