นิพจน์ 10: "x" sine "t" minus "y" cosine "t" equals 0 left brace, 180 less than or equal to "t" less than 270 , right brace left brace, "x" less than or equal to 0 , right brace left brace, "y" less than or equal to 0 , right brace มีกราฟxsint−ycost=0180≤t<270x≤0y≤0
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นิพจน์ 11: "x" sine "t" minus "y" cosine "t" equals 0 left brace, 270 less than or equal to "t" less than or equal to 360 , right brace left brace, "x" greater than or equal to 0 , right brace left brace, "y" less than or equal to 0 , right brace มีกราฟxsint−ycost=0270≤t≤360x≥0y≤0
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นิพจน์ 12: "y" equals "x" tangent "t" left brace, 0 less than "x" less than "a" , right brace left brace, "d" greater than 0 , right brace มีกราฟy=xtant0<x<ad>0
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นิพจน์ 13: "x" equals 0 left brace, 0 less than "y" less than "b" , right brace left brace, "t" equals 90 , right brace left brace, "d" greater than 0 , right brace equals "u" "n" "d" "e" "f" "i" "n" "e" "d" มีกราฟx=00<y<bt=90d>0
ยังไม่ได้กำหนด
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นิพจน์ 14: "y" equals "x" tangent "t" left brace, "a" less than "x" less than 0 , right brace left brace, "d" greater than 0 , right brace มีกราฟ กด ALT+T เพื่อการอ่านออกเสียงy=xtanta<x<0d>0
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นิพจน์ 15: "x" equals 0 left brace, "b" less than "y" less than 0 , right brace left brace, "t" equals 270 , right brace left brace, "d" greater than 0 , right brace equals "u" "n" "d" "e" "f" "i" "n" "e" "d" มีกราฟx=0b<y<0t=270d>0
ยังไม่ได้กำหนด
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นิพจน์ 16: "y" equals "x" tangent "t" left brace, 0 less than "x" less than "a" , right brace left brace, "d" less than 0 , right brace มีกราฟy=xtant0<x<ad<0
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นิพจน์ 17: "x" equals 0 left brace, 0 less than "y" less than "b" , right brace left brace, "t" equals 270 , right brace left brace, "d" less than 0 , right brace equals "u" "n" "d" "e" "f" "i" "n" "e" "d" มีกราฟx=00<y<bt=270d<0
ยังไม่ได้กำหนด
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นิพจน์ 18: "y" equals "x" tangent "t" left brace, "a" less than "x" less than 0 , right brace left brace, "d" less than 0 , right brace มีกราฟy=xtanta<x<0d<0
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นิพจน์ 19: "x" equals 0 left brace, "b" less than "y" less than 0 , right brace left brace, "t" equals 90 , right brace left brace, "d" less than 0 , right brace equals "u" "n" "d" "e" "f" "i" "n" "e" "d" มีกราฟx=0b<y<0t=90d<0
