CBO = X = 60, BCO = Y = 60

Expression 15: "A" Subscript, "O" "C" , Baseline equals StartAbsoluteValue, 120 , EndAbsoluteValue equals 120

equals

120

Coordinates

Expression 17: "O" Subscript, 1 , Baseline equals StartRoot, 0 , EndRoot equals 0

equals

Expression 18: "O" Subscript, 2 , Baseline equals StartRoot, 0 , EndRoot equals 0

equals

Expression 19: "A" Subscript, 1 , Baseline equals "R" cosine left parenthesis, "A" Subscript, "O" "C" , Baseline plus 30 minus 90 , right parenthesis equals 0.4 3 3 0 1 2 7 0 1 8 9 2

equals

0.4 3 3 0 1 2 7 0 1 8 9 2

Expression 20: "A" Subscript, 2 , Baseline equals "R" sine left parenthesis, "A" Subscript, "O" "C" , Baseline plus 30 minus 90 , right parenthesis equals 0.7 5

equals

0.7 5

Expression 21: "B" Subscript, 1 , Baseline equals negative "C" Subscript, 1 , Baseline equals negative 0.4 3 3 0 1 2 7 0 1 8 9 2

equals

negative 0.4 3 3 0 1 2 7 0 1 8 9 2

Expression 22: "B" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline equals negative 0.7 5

equals

negative 0.7 5

Expression 23: "C" Subscript, 1 , Baseline equals "R" cosine left parenthesis, 90 minus StartFraction, "A" Subscript, "O" "C" , Baseline Over 2 , EndFraction minus 90 , right parenthesis equals 0.4 3 3 0 1 2 7 0 1 8 9 2

equals

0.4 3 3 0 1 2 7 0 1 8 9 2

Expression 24: "C" Subscript, 2 , Baseline equals "R" sine left parenthesis, 90 minus StartFraction, "A" Subscript, "O" "C" , Baseline Over 2 , EndFraction minus 90 , right parenthesis equals negative 0.7 5

equals

negative 0.7 5

Expression 25: "A" Subscript, "O" "P" , Baseline equals 90 minus StartFraction, "A" Subscript, "O" "C" , Baseline Over 2 , EndFraction equals 30

equals

Graphs

Expression 27: polygon left parenthesis, "C" , "O" , right parenthesis Has graph.

Expression 28: polygon left parenthesis, "A" , "B" , "C" , right parenthesis Has graph.

Expression 29: 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: 360

Points

Start black, StartFraction, StartRoot, 3 , EndRoot Over 2 , EndFraction End black

Start black, sin "X" End black

Start black, sin "Y" End black

Start black, sin "X" End black

Start black, 30 End black degrees

Start black, 60 End black degrees

Start black, "X" End black

Start black, "Y" End black

Start black, "A" "B" equals StartRoot, 3 , EndRoot End black