Angle X = 45°

Expression 16: "B" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline equals 0

equals

Expression 17: "C" Subscript, 1 , Baseline equals "R" cosine "B" Subscript, "O" "C" , Baseline equals 6.4

equals

6.4

Expression 18: "C" Subscript, 2 , Baseline equals "R" sine "B" Subscript, "O" "C" , Baseline equals 4.8

equals

4.8

Expression 19: "D" Subscript, 1 , Baseline equals 5cosine "B" Subscript, "O" "C" , Baseline equals 4

equals

Expression 20: "D" Subscript, 2 , Baseline equals 5sine "B" Subscript, "O" "C" , Baseline equals 3

equals

Expression 21: "m" Subscript, 1 , Baseline equals tangent StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction equals 0.3 3 3 3 3 3 3 3 3 3 3 3

equals

0.3 3 3 3 3 3 3 3 3 3 3 3

Expression 22: "m" Subscript, 2 , Baseline equals StartFraction, "D" Subscript, 2 , Baseline Over "D" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , EndFraction equals negative 0.5

equals

negative 0.5

Expression 23: "m" Subscript, 1 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesis equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis

Expression 24: "P" Subscript, 1 , Baseline equals StartFraction, "m" Subscript, 1 , Baseline "A" Subscript, 1 , Baseline minus "m" Subscript, 2 , Baseline "B" Subscript, 1 , Baseline Over "m" Subscript, 1 , Baseline minus "m" Subscript, 2 , Baseline , EndFraction equals 2.8

equals

2.8

Expression 25: "P" Subscript, 2 , Baseline equals "m" Subscript, 2 , Baseline left parenthesis, "P" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis equals 3.6

equals

3.6

Graphs

Expression 27: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis Has graph.

domain t Minimum:

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

domain t Maximum: 180

Expression 28: "y" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis Has graph. To audio trace, press ALT+T.

Expression 29: "y" equals "m" Subscript, 1 , Baseline left parenthesis, "x" minus "A" Subscript, 1 , Baseline , right parenthesis Has graph. To audio trace, press ALT+T.

Expression 30: polygon left parenthesis, "O" , "C" , "A" , "B" , "C" , right parenthesis Has graph.

Points

90°