表达式29: "N" Subscript, 2 , Baseline equals "M" Subscript, 2 , Baseline minus 1N2=M2−1
equals=
55
29
Graphs
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30
表达式31: "y" less than 25y<25
31
表达式32: polygon left parenthesis, "B" , "C" , "D" , right parenthesispolygonB,C,D
32
表达式33: polygon left parenthesis, "A" , "D" , "M" , right parenthesispolygonA,D,M
33
表达式34: left parenthesis, "N" Subscript, 1 , Baseline plus StartFraction, "t" cos 135 Over StartRoot, 2 , EndRoot , EndFraction , "N" Subscript, 2 , Baseline plus StartFraction, "t" sin 135 Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisN1+tcos1352,N2+tsin1352
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
34
表达式35: left parenthesis, "N" Subscript, 1 , Baseline plus StartFraction, "t" cos 45 Over StartRoot, 2 , EndRoot , EndFraction , "N" Subscript, 2 , Baseline plus StartFraction, "t" sin 45 Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisN1+tcos452,N2+tsin452
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
35
表达式36: left parenthesis, "D" Subscript, 1 , Baseline plus cos 45 , "D" Subscript, 2 , Baseline plus "t" sin 45 , right parenthesisD1+cos45,D2+tsin45
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
36
表达式37: left parenthesis, "D" Subscript, 1 , Baseline plus "t" cos 45 , "D" Subscript, 2 , Baseline plus sin 45 , right parenthesisD1+tcos45,D2+sin45
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
37
表达式38: polygon left parenthesis, "A" , "B" , "C" , "D" , "M" , "A" , right parenthesispolygonA,B,C,D,M,A
38
表达式39: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesisRcost,Rsint
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
