表达式36: "M" Subscript, 2 , Baseline equals StartFraction, "A" Subscript, 2 , Baseline Over 2 , EndFractionM2=A22
equals=
3.53.5
36
Graphs
对学生隐藏该文件夹。
37
表达式38: polygon left parenthesis, "C" , "D" , "F" , right parenthesispolygonC,D,F
38
表达式39: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+Rsint
定义域t最小值： negative 90−90
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 9090
39
表达式40: polygon left parenthesis, "A" , "B" , "C" , "E" , "D" , right parenthesispolygonA,B,C,E,D
40
表达式41: polygon left parenthesis, "C" , "D" , "F" , right parenthesispolygonC,D,F
41
表达式42: polygon left parenthesis, "F" , "M" , right parenthesispolygonF,M
