表达式22: 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： 360360
22
表达式23: left parenthesis, "A" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "A" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin "t" , right parenthesisA1+R2cost,A2+R2sint
定义域t最小值： 120120
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 300300
23
表达式24: left parenthesis, "A" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "A" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin "t" , right parenthesisA1+R2cost,A2+R2sint
定义域t最小值： 120120
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 300300
24
表达式25: left parenthesis, "A" Subscript, 1 , Baseline plus "t" "R" Subscript, 2 , Baseline cos 120 , "A" Subscript, 2 , Baseline plus "t" "R" Subscript, 2 , Baseline sin 120 , right parenthesisA1+tR2cos120,A2+tR2sin120
定义域t最小值： negative 1−1
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 11
25
表达式26: left parenthesis, "B" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "B" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin "t" , right parenthesisB1+R2cost,B2+R2sint
定义域t最小值： negative 120−120
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 6060
26
表达式27: left parenthesis, "B" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "B" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin "t" , right parenthesisB1+R2cost,B2+R2sint
定义域t最小值： negative 120−120
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 6060
27
表达式28: left parenthesis, "B" Subscript, 1 , Baseline minus "t" "R" Subscript, 2 , Baseline cos 120 , "B" Subscript, 2 , Baseline plus "t" "R" Subscript, 2 , Baseline sin 120 , right parenthesisB1−tR2cos120,B2+tR2sin120
定义域t最小值： negative 1−1
less than or equal to "t" less than or equal to≤t≤
定义域t最大值： 11
28
表达式29: left parenthesis, "C" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "C" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin "t" , right parenthesisC1+R2cost,C2+R2sint
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
29
表达式30: left parenthesis, "C" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "C" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin "t" , right parenthesisC1+R2cost,C2+R2sint
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
30
表达式31: left parenthesis, "C" Subscript, 1 , Baseline plus "R" Subscript, 2 , Baseline cos "t" , "C" Subscript, 2 , Baseline plus "R" Subscript, 2 , Baseline sin 0 , right parenthesisC1+R2cost,C2+R2sin0
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
