Expression 19: "M" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline plus "B" Subscript, "M" , Baseline cosine left parenthesis, StartFraction, "A" Subscript, "B" "C" , Baseline Over 2 , EndFraction minus 90 , right parenthesisM1=B1+BMcosABC2−90
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Expression 20: "M" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline plus "B" Subscript, "M" , Baseline sine left parenthesis, StartFraction, "A" Subscript, "B" "C" , Baseline Over 2 , EndFraction minus 90 , right parenthesisM2=B2+BMsinABC2−90
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Expression 21: "L" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline plus 4cosine left parenthesis, StartFraction, "A" Subscript, "B" "C" , Baseline Over 2 , EndFraction minus 90 , right parenthesisL1=M1+4cosABC2−90
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Expression 22: "L" Subscript, 2 , Baseline equals "M" Subscript, 2 , Baseline plus 4sine left parenthesis, StartFraction, "A" Subscript, "B" "C" , Baseline Over 2 , EndFraction minus 90 , right parenthesisL2=M2+4sinABC2−90
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Graphs
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Expression 24: "y" less than 30y<30
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Expression 25: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
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Expression 26: left parenthesis, "L" Subscript, 1 , Baseline plus "R" Subscript, 3 , Baseline cos "t" , "L" Subscript, 2 , Baseline plus "R" Subscript, 3 , Baseline sin "t" , right parenthesisL1+R3cost,L2+R3sint
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Expression 27: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+Rsint
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Expression 28: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
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Expression 29: left parenthesis, "M" Subscript, 1 , Baseline plus "t" "R" , "M" Subscript, 2 , Baseline , right parenthesisM1+tR,M2
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Expression 30: left parenthesis, "L" Subscript, 1 , Baseline plus "t" "R" Subscript, 3 , Baseline , "L" Subscript, 2 , Baseline , right parenthesisL1+tR3,L2
