表达式18: "f" left parenthesis, "x" , right parenthesis equals StartRoot, "R" squared minus "x" squared , EndRootfx=R2−x2
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表达式19: "g" left parenthesis, "x" , right parenthesis equals StartRoot, "R" squared minus left parenthesis, "x" minus "M" Subscript, 1 , Baseline , right parenthesis squared , EndRoot plus "M" Subscript, 2 , Baselinegx=R21−x−M12+M2
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表达式20: "f" left parenthesis, "P" Subscript, 1 , Baseline , right parenthesis tilde "g" left parenthesis, "P" Subscript, 1 , Baseline , right parenthesis left brace, "A" Subscript, 1 , Baseline less than "P" Subscript, 1 , Baseline less than "O" Subscript, 1 , Baseline , right bracefP1~gP1A1<P1<O1
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表达式21: "P" Subscript, 2 , Baseline equals "g" left parenthesis, "P" Subscript, 1 , Baseline , right parenthesisP2=gP1
equals=
7.27.2
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Graphs
对学生隐藏该文件夹。
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表达式23: 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： 180180
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表达式24: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesisM1+R1cost,M2+R1sint
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
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表达式25: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesisM1+R1cost,M2+R1sint
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
25
表达式26: polygon left parenthesis, "A" , "B" , "C" , "D" , right parenthesispolygonA,B,C,D
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表达式27: 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： 180180
27
表达式28: polygon left parenthesis, "A" , "C" , right parenthesispolygonA,C
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表达式29: polygon left parenthesis, "C" , "P" , right parenthesispolygonC,P
