Label: left parenthesis, StartFraction, "R" Over 2 , EndFraction , "R" squared left parenthesis, StartFraction, pi Over 3 , EndFraction minus StartFraction, StartRoot, 3 , EndRoot Over 4 , EndFraction , right parenthesis , right parenthesisR2,R2π3−34
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Expression 5: StartFraction, "R" squared Over 2 , EndFraction cosine to the negative 1st power left parenthesis, StartFraction, 2 "d" squared Over "R" squared , EndFraction minus 1 , right parenthesis minus "d" StartRoot, "R" squared minus "d" squared , EndRootR22cos−12d2R2−1−dR2−d2
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Expression 6: "C" equals left parenthesis, "R" squared minus "x" left parenthesis, "R" minus "x" , right parenthesis , right parenthesis "x" left parenthesis, "R" minus "x" , right parenthesisC=R2−xR−xxR−x
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Expression 7: StartFraction, "R" squared Over 2 , EndFraction cosine to the negative 1st power left parenthesis, 1 minus StartFraction, 8 "C" Over "R" to the 4th power , EndFraction , right parenthesis minus StartFraction, 2 StartRoot, "C" , EndRoot StartRoot, "R" to the 4th power minus 4 "C" , EndRoot Over "R" squared , EndFractionR22cos−11−8CR4−2CR4−4CR2
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Expression 8: "R" equals 3.2 7R=3.27
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left parenthesis, 1.5 9 3 5 , 6.2 3 8 2 6 , right parenthesis1.5935,6.23826