Expression 21: "F" Subscript, 1 , Baseline equals "s" cosine left parenthesis, 90 minus 2 "B" Subscript, "A" "E" , Baseline , right parenthesisF1=scos90−2BAE
21
Expression 22: "F" Subscript, 2 , Baseline equals "s" sine left parenthesis, 90 minus 2 "B" Subscript, "A" "E" , Baseline , right parenthesisF2=ssin90−2BAE