Expression 20: "E" Subscript, 1 , Baseline equals "R" cosine left parenthesis, 90 minus "A" Subscript, "O" "B" , Baseline , right parenthesisE1=Rcos90−AOB
equals=
4.5 5 9 9 7 4 1 0 0 7 74.55997410077
20
Expression 21: "E" Subscript, 2 , Baseline equals "R" sine left parenthesis, 90 minus "A" Subscript, "O" "B" , Baseline , right parenthesisE2=Rsin90−AOB