Ratio of a / b = 3

表达式18: "B" Subscript, 2 , Baseline equals negative StartFraction, "B" Subscript, 1 , Baseline Over StartRoot, 3 , EndRoot , EndFraction

equals

negative 3.4 6 4 1 0 1 6 1 5 1 4

表达式19: "C" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

equals

表达式20: "D" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline

equals

表达式21: "D" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

equals

表达式22: "E" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus "C" Subscript, "E" , Baseline cosine 210

equals

7.5

表达式23: "E" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline plus "C" Subscript, "E" , Baseline sine 210

equals

negative 2.5 9 8 0 7 6 2 1 1 3 5

表达式24: "M" Subscript, 1 , Baseline equals StartFraction, "D" Subscript, 1 , Baseline plus "E" Subscript, 1 , Baseline Over 2 , EndFraction

equals

6.7 5

表达式25: "M" Subscript, 2 , Baseline equals StartFraction, "D" Subscript, 2 , Baseline plus "E" Subscript, 2 , Baseline Over 2 , EndFraction

equals

negative 1.2 9 9 0 3 8 1 0 5 6 8

表达式26: "F" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline plus 0.3cosine theta Subscript, 2 , Baseline

equals

7.5 7 7 6 4 5 7 1 3 5 3

表达式27: "F" Subscript, 2 , Baseline equals "E" Subscript, 2 , Baseline plus 0.3sine theta Subscript, 2 , Baseline

equals

negative 2.3 0 8 2 9 8 4 6 3 4 7

表达式28: theta Subscript, 2 , Baseline equals 30 plus 45

equals

Graphs

表达式30: "y" less than 25

表达式31: polygon left parenthesis, "A" , "B" , "M" , right parenthesis

表达式32: polygon left parenthesis, "A" , "B" , "C" , "D" , "E" , "M" , "B" , "M" , "A" , "M" , "D" , right parenthesis

表达式33: left parenthesis, "F" Subscript, 1 , Baseline plus StartFraction, 0.3 "t" cos left parenthesis, theta Subscript, 2 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "F" Subscript, 2 , Baseline plus StartFraction, 0.3 "t" sin left parenthesis, theta Subscript, 2 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesis

定义域t最小值：

less than or equal to "t" less than or equal to

定义域t最大值：

表达式34: left parenthesis, "F" Subscript, 1 , Baseline plus StartFraction, 0.3 "t" cos left parenthesis, theta Subscript, 2 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "F" Subscript, 2 , Baseline plus StartFraction, 0.3 "t" sin left parenthesis, theta Subscript, 2 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesis

定义域t最小值：

less than or equal to "t" less than or equal to

定义域t最大值：

Points

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