表达式4: "r" equals max left parenthesis, "T" left parenthesis, cos to the negative 1st power left parenthesis, left parenthesis, cos left parenthesis, 6 theta plus StartFraction, "T" pi Over 6 , EndFraction , right parenthesis , right parenthesis to the 7th power , right parenthesis , right parenthesis plus 1 , right parenthesisr=maxTcos−1cos6θ+Tπ67+1
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
2 pi2π
定义域\theta最大值：
4
表达式5: "r" equals 5 "T" left brace, "r" less than or equal to max left parenthesis, "T" left parenthesis, cos to the negative 1st power left parenthesis, left parenthesis, cos left parenthesis, 6 theta plus StartFraction, "T" pi Over 6 , EndFraction , right parenthesis , right parenthesis to the 7th power , right parenthesis , right parenthesis plus 1 , right parenthesis , right bracer=5Tr≤maxTcos−1cos6θ+Tπ67+1
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
12 pi12π
定义域\theta最大值：
5
表达式6: "r" less than or equal to left bracket, 5 , 10 , 15 , right bracketr≤5,10,15
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
12 pi12π
定义域\theta最大值：
6
表达式7: "r" less than or equal to left bracket, 1...8 , right bracket left parenthesis, cos to the negative 1st power left parenthesis, left parenthesis, cos left parenthesis, 6 theta plus StartFraction, "T" pi Over 6 , EndFraction , right parenthesis , right parenthesis to the 7th power , right parenthesis , right parenthesis plus 1r≤1...8cos−1cos6θ+Tπ67+1
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
12 pi12π
定义域\theta最大值：
7
表达式8: "r" less than or equal to left bracket, 1...4 , right bracket left parenthesis, cos to the negative 1st power left parenthesis, left parenthesis, cos left parenthesis, 6 theta plus StartFraction, "T" pi Over 6 , EndFraction , right parenthesis , right parenthesis to the 7th power , right parenthesis , right parenthesis plus 1r≤1...4cos−1cos6θ+Tπ67+1
00
定义域\theta最小值：
less than or equal to theta less than or equal to≤θ≤
