Expression 4: tangent to the negative 1st power left parenthesis, StartFraction, 8cos alpha minus 2 Over "h" , EndFraction , right parenthesis plus tangent to the negative 1st power StartFraction, "X" Over "h" , EndFraction equals 45tan−18cosα−2h+tan−1Xh=45
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Expression 5: "X" equals "h" tangent left parenthesis, 45 minus tan to the negative 1st power left parenthesis, StartFraction, 8cos alpha minus 2 Over "h" , EndFraction , right parenthesis , right parenthesisX=htan45−tan−18cosα−2h
equals=
4.2 3 5 2 9 4 1 1 7 6 54.23529411765
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Expression 6: "A" Subscript, "B" "l" "u" "e" , Baseline equals StartFraction, "h" Over 2 , EndFraction left parenthesis, 8cos alpha minus 2 plus "X" , right parenthesisABlue=h28cosα−2+X
equals=
StartFraction, 360 Over 17 , EndFraction36017
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center: left parenthesis, 0 , 0 , right parenthesis0,0