Line Segment MT = 1

表达式20: "D" Subscript, 2 , Baseline equals "m" Subscript, 1 , Baseline "D" Subscript, 1 , Baseline

equals

0.6 6 7 1 0 8 2 4 1 9 2 9

表达式21: "E" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus StartFraction, "C" Subscript, "D" , Baseline cos StartNestedFraction, "A" Subscript, "C" "B" , Baseline NestedOver 2 , EndNestedFraction Over 4 , EndFraction left parenthesis, "A" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesis

equals

1.7 9 3 7 5 4 7 5 1 5

表达式22: "E" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline plus StartFraction, "C" Subscript, "D" , Baseline cos StartNestedFraction, "A" Subscript, "C" "B" , Baseline NestedOver 2 , EndNestedFraction Over 4 , EndFraction left parenthesis, "A" Subscript, 2 , Baseline minus "C" Subscript, 2 , Baseline , right parenthesis

equals

1.2 8 8 7 5 0 0 4 2 3 4

表达式23: "M" Subscript, 1 , Baseline equals StartFraction, "C" Subscript, 1 , Baseline Over 2 , EndFraction

equals

2.5 5 1 6 9 0 9 6 1 5 1

表达式24: "M" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline

equals

表达式25: "T" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline

equals

1.5 5 1 6 9 0 9 6 1 5 1

表达式26: "T" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline

equals

表达式27: "K" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline plus 0.1 2 5cosine theta Subscript, 1 , Baseline

equals

1.8 4 4 0 4 6 8 4 9 6

表达式28: "K" Subscript, 2 , Baseline equals "E" Subscript, 2 , Baseline plus 0.1 2 5sine theta Subscript, 1 , Baseline

equals

1.1 7 4 3 1 3 5 7 5 8 3

表达式29: theta Subscript, 1 , Baseline equals negative "A" Subscript, "C" "B" , Baseline minus 45

equals

negative 66.2 7 5 6 5 6 3 1 3 6

Graphs

表达式31: "y" less than 25

表达式32: left parenthesis, "D" Subscript, 1 , Baseline plus "R" cos "t" , "D" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesis

定义域t最小值：