Expression 12: "C" Subscript, 1 , Baseline equals StartFraction, "X" Over 2 , EndFraction minus "X" cosine left parenthesis, StartFraction, "B" Subscript, "O" "E" , Baseline Over 2 , EndFraction minus 90 , right parenthesisC1=X2−XcosBOE2−90
equals=
1.6 5 0 7 4 3 5 4 0 61.6507435406
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Expression 13: "C" Subscript, 2 , Baseline equals negative "X" sine left parenthesis, StartFraction, "B" Subscript, "O" "E" , Baseline Over 2 , EndFraction minus 90 , right parenthesisC2=−XsinBOE2−90
Expression 17: "E" Subscript, 2 , Baseline equals StartFraction, "X" Over 2 , EndFraction sine "B" Subscript, "O" "E" , BaselineE2=X2sinBOE
equals=
4.0 5 3 5 4 1 2 4 5 6 94.05354124569
17
Graphs
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Expression 19: "y" less than 25 Has graph. To audio trace, press ALT+T.y<25
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Expression 20: left parenthesis, StartFraction, "X" Over 2 , EndFraction cos "t" , StartFraction, "X" Over 2 , EndFraction sin "t" , right parenthesis Has graph.X2cost,X2sint
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 180180
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Expression 21: polygon left parenthesis, "A" , "E" , "D" , "E" , "A" , "B" , "C" , "D" , right parenthesis Has graph.polygonA,E,D,E,A,B,C,D
