a & b in Terms of R & BOC

表达式19: "C" Subscript, 2 , Baseline equals "R" sine "B" Subscript, "O" "C" , Baseline

equals

7.8 8 6 7 6 0 1 2 0 3 9

表达式20: "D" Subscript, 1 , Baseline equals "R" cosine 2 "B" Subscript, "O" "C" , Baseline

equals

negative 4.8 2 2 4 4 1 1 5 4 8 1

表达式21: "D" Subscript, 2 , Baseline equals "R" sine 2 "B" Subscript, "O" "C" , Baseline

equals

7.5 9 8 9 5 1 3 2 9 5 2

表达式22: "E" Subscript, 1 , Baseline equals StartFraction, "D" Subscript, 1 , Baseline plus "F" Subscript, 1 , Baseline Over 2 , EndFraction

equals

negative 2.5 7 5 4 3 7 5 1 0 4 9

表达式23: "E" Subscript, 2 , Baseline equals StartFraction, "D" Subscript, 2 , Baseline plus "F" Subscript, 2 , Baseline Over 2 , EndFraction

equals

3.7 9 9 4 7 5 6 6 4 7 6

表达式24: "F" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline plus "A" Subscript, "D" , Baseline

equals

- 0.3 2 8 4 3 3 8 6 6 1 6 9

表达式25: "F" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

equals

表达式26: "K" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline plus 0.6cosine theta Subscript, 1 , Baseline

equals

negative 3.1 5 6 5 8 7 4 0 7 1 7

表达式27: "K" Subscript, 2 , Baseline equals "E" Subscript, 2 , Baseline plus 0.6sine theta Subscript, 1 , Baseline

equals

3.9 4 8 6 8 9 5 9 7 0 6

表达式28: theta Subscript, 1 , Baseline equals StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction plus 135

equals

165.6

Graphs

表达式30: "y" less than 25

表达式31: polygon left parenthesis, "C" , "O" , right parenthesis

表达式32: left parenthesis, "R" cos "t" , "R" sin "t" , 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： 180

表达式33: polygon left parenthesis, "A" , "F" , "D" , "F" , "B" , "A" , "C" , right parenthesis

表达式34: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, 0.6 "t" cos left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, 0.6 "t" sin left parenthesis, theta Subscript, 1 , 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35: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, 0.6 "t" cos left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, 0.6 "t" sin left parenthesis, theta Subscript, 1 , 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

技术支持