表达式29: 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≤
定义域t最大值： 9090
29
表达式30: left parenthesis, "K" Subscript, 1 , Baseline minus StartFraction, 2 "t" cos left parenthesis, theta Subscript, 1 , Baseline plus 45 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline minus StartFraction, 2 "t" sin left parenthesis, theta Subscript, 1 , Baseline plus 45 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisK1−2tcosθ1+452,K2−2tsinθ1+452
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：
30
表达式31: left parenthesis, "K" Subscript, 1 , Baseline minus StartFraction, 2 "t" cos left parenthesis, theta Subscript, 1 , Baseline minus 45 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline minus StartFraction, 2 "t" sin left parenthesis, theta Subscript, 1 , Baseline minus 45 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisK1−2tcosθ1−452,K2−2tsinθ1−452
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：
31
表达式32: left parenthesis, "J" Subscript, 1 , Baseline minus StartFraction, 2 "t" cos left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "J" Subscript, 2 , Baseline minus StartFraction, 2 "t" sin left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisJ1−2tcosθ1−1352,J2−2tsinθ1−1352
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：
32
表达式33: left parenthesis, "J" Subscript, 1 , Baseline minus StartFraction, 2 "t" cos left parenthesis, theta Subscript, 1 , Baseline minus 225 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "J" Subscript, 2 , Baseline minus StartFraction, 2 "t" sin left parenthesis, theta Subscript, 1 , Baseline minus 225 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisJ1−2tcosθ1−2252,J2−2tsinθ1−2252
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：
33
表达式34: polygon left parenthesis, "A" , "B" , "C" , "D" , "E" , right parenthesispolygonA,B,C,D,E
34
表达式35: polygon left parenthesis, "A" , "C" , "A" , "B" , "C" , "D" , "E" , right parenthesispolygonA,C,A,B,C,D,E
