Espressione 15: "B" Subscript, 1 , Baseline equals "R" cosine left parenthesis, StartFraction, "A" Subscript, "O" "B" , Baseline Over 2 , EndFraction minus 90 , right parenthesisB1=RcosAOB2−90
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Espressione 16: "B" Subscript, 2 , Baseline equals "R" sine left parenthesis, StartFraction, "A" Subscript, "O" "B" , Baseline Over 2 , EndFraction minus 90 , right parenthesisB2=RsinAOB2−90
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Espressione 17: "C" Subscript, 1 , Baseline equals "R" cosine left parenthesis, negative "A" Subscript, "O" "C" , Baseline minus StartFraction, "A" Subscript, "O" "B" , Baseline Over 2 , EndFraction minus 90 , right parenthesisC1=Rcos−AOC−AOB2−90
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Espressione 18: "C" Subscript, 2 , Baseline equals "R" sine left parenthesis, negative "A" Subscript, "O" "C" , Baseline minus StartFraction, "A" Subscript, "O" "B" , Baseline Over 2 , EndFraction minus 90 , right parenthesisC2=Rsin−AOC−AOB2−90
Espressione 20: "D" Subscript, 2 , Baseline equals "R" sine left parenthesis, StartFraction, "A" Subscript, "O" "B" , Baseline Over 2 , EndFraction minus 90 , right parenthesisD2=RsinAOB2−90
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Espressione 21: "E" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline plus "R" Subscript, 1 , BaselineE1=A1+R1
