Expression 24: left parenthesis, "L" Subscript, 1 , Baseline minus "A" Subscript, 1 , Baseline , right parenthesis sine "A" Subscript, "B" "C" , Baseline equals "A" Subscript, "C" , Baseline minus "R" Subscript, 1 , BaselineL1−A1sinABC=AC−R1
24
Expression 25: "L" Subscript, 1 , Baseline equals StartFraction, "A" Subscript, "C" , Baseline minus "R" Subscript, 1 , Baseline Over sin "A" Subscript, "B" "C" , Baseline , EndFraction plus "A" Subscript, 1 , BaselineL1=AC−R1sinABC+A1