Expression 4: alpha equals StartFraction, tan to the negative 1st power StartNestedFraction, 3 plus 4 NestedOver "h" , EndNestedFraction Over 2 , EndFraction equals 20.7 0 4 8 1 1 0 5 4 6α=tan−13+4h2
equals=
20.7 0 4 8 1 1 0 5 4 620.7048110546
4
Expression 5: StartFraction, 3 Over "h" , EndFraction equals StartFraction, 4 Over StartRoot, "h" squared plus left parenthesis, 3 plus 4 , right parenthesis squared , EndRoot , EndFraction3h=4h2+3+42