Expression 4: beta equals 90 minus tangent to the negative 1st power left parenthesis, StartFraction, "R" sin 30 Over "R" cos 30 minus "R" cos 60 , EndFraction , right parenthesisβ=90−tan−1Rsin30Rcos30−Rcos60
equals=
36.2 0 6 0 2 3 1 1 336.206023113
4
Expression 5: "A" Subscript, "S" "h" "a" "d" "e" "d" , Baseline equals StartFraction, pi "R" squared Over 12 , EndFraction minus StartFraction, "R" squared sin 30 Over 2 , EndFraction plus StartFraction, "a" "b" times sin beta Over 2 , EndFractionAShaded=πR212−R2sin302+ab·sinβ2
equals=
6.1 3 0 5 4 9 3 2 6 7 16.13054932671
5
Expression 6:
6
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center: left parenthesis, 0 , .1 3 , right parenthesis0,.13