運算式 8: left parenthesis, "x" minus 2cos left parenthesis, "u" , right parenthesis , right parenthesis squared plus left parenthesis, "y" minus 2sin left parenthesis, "u" , right parenthesis , right parenthesis squared equals 1x−2cosu2+y−2sinu2=1
8
運算式 9: left parenthesis, 2cos left parenthesis, "u" , right parenthesis , 2sin left parenthesis, "u" , right parenthesis , right parenthesis2cosu,2sinu
9
運算式 10: left parenthesis, 2 "t" cos left parenthesis, "u" , right parenthesis , 2 "t" sin left parenthesis, "u" , right parenthesis , right parenthesis2tcosu,2tsinu
10
運算式 11: left parenthesis, "x" minus 1 half , right parenthesis squared plus "y" squared equals 27 quartersx−122+y2=274
11
運算式 12: left parenthesis, 1 half , 0 , right parenthesis12,0
12
運算式 13: left parenthesis, negative 1 , 0 , right parenthesis−1,0
