表达式28: polygon left parenthesis, "A" , "B" , "E" , right parenthesispolygonA,B,E
28
表达式29: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+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: 360360
29
表达式30: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+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: 360360
30
表达式31: polygon left parenthesis, "A" , "B" , "E" , "B" , "C" , "D" , right parenthesispolygonA,B,E,B,C,D
31
表达式32: left parenthesis, "M" Subscript, 1 , Baseline , "M" Subscript, 2 , Baseline minus "t" "R" , right parenthesisM1,M2−tR
00
定义域t最小值:
less than or equal to "t" less than or equal to≤t≤