表达式9: left parenthesis, "x" plus 2.5 5 , right parenthesis squared plus left parenthesis, "y" minus 1.2 5 , right parenthesis squared equals 0.0 5x+2.552+y−1.252=0.05
9
表达式10: left parenthesis, "x" plus 0.9 , right parenthesis squared plus left parenthesis, "y" minus 2.7 5 , right parenthesis squared equals 0.0 5x+0.92+y−2.752=0.05
10
表达式11: "r" equals negative left parenthesis, cos "b" , right parenthesisr=−cosb
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
2 pi2π
定义域\theta最大值：
equals=
0.6 5 3 6 4 3 6 2 0 8 6 40.653643620864
11
表达式12: "b" equals 4b=4
22
44
12
表达式13: "r" equals 3.2 left parenthesis, "a" minus left parenthesis, left parenthesis, cos theta , right parenthesis left parenthesis, sin theta , right parenthesis , right parenthesis , right parenthesisr=3.2a−cosθsinθ
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
2 pi2π
定义域\theta最大值：
13
表达式14: "r" equals "c"r=c
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
2 pi2π
定义域\theta最大值：
equals=
9.9 5 39.953
14
表达式15: "c" equals 9.9 5 3c=9.953
9.59.5
1010
15
表达式16: "r" equals "d"r=d
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
