Expression 15: "D" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus "A" Subscript, "D" , Baseline cosine left parenthesis, 180 minus "A" Subscript, "C" "B" , Baseline minus "A" Subscript, "C" "D" , Baseline , right parenthesisD1=C1+ADcos180−ACB−ACD
equals=
55
15
Expression 16: "D" Subscript, 2 , Baseline equals "C" Subscript, 2 , Baseline plus "A" Subscript, "D" , Baseline sine left parenthesis, 180 minus "A" Subscript, "C" "B" , Baseline minus "A" Subscript, "C" "D" , Baseline , right parenthesisD2=C2+ADsin180−ACB−ACD