Expression 3: alpha equals cosine to the negative 1st power StartFraction, 5 squared plus 7 squared minus "D" squared Over 2 times 5 times 7 , EndFractionα=cos−152+72−D2iagonal2·5·7
equals=
84.2 6 0 8 2 9 5 2 2 784.2608295227
3
Expression 4: "A" Subscript, "O" "r" "a" "n" "g" "e" , Baseline equals StartFraction, 7 times 9 Over 2 , EndFraction sine 60 plus StartFraction, 5 times 7 Over 2 , EndFraction sine alphaAOrange=7·92sin60+5·72sinα
equals=
44.6 9 2 0 8 0 3 6 8 644.6920803686
4
Expression 5:
5
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