Expression 5: "X" equals StartFraction, "S" Subscript, "R" "e" "d" , Baseline Over cos left parenthesis, 90 minus 30 minus 45 , right parenthesis , EndFractionX=SRedcos90−30−45
equals=
8.1 4 2 4 4 7 1 5 8 9 38.14244715893
5
Expression 6: "b" equals "X" sine left parenthesis, 90 minus 30 minus 45 , right parenthesisb=Xsin90−30−45
equals=
2.1 0 7 4 2 0 3 9 8 4 72.10742039847
6
Expression 7: "a" equals "S" Subscript, "R" "e" "d" , Baseline minus "b"a=SRed−b