Expression 2: sine left parenthesis, "x" , right parenthesis times 10sinx·10
2
Expression 3: "S" Subscript, "D" "e" "g" "r" "e" "e" "s" "S" "c" "a" "l" "e" , Baseline left parenthesis, "v" , right parenthesis equals StartFraction, 4 "v" times 10 left parenthesis, 1800 minus "v" times 10 , right parenthesis Over 4050000 minus "v" times 10 left parenthesis, 1800 minus "v" times 10 , right parenthesis , EndFraction times 10SDegreesScalev=4v·101800−v·104050000−v·101800−v·10·10
3
Expression 4: "E" Subscript, "x" "t" "r" "e" "m" "u" "m" "s" , Baseline left parenthesis, "x" , right parenthesis equals left parenthesis, sin left parenthesis, "x" , right parenthesis times 10 minus "S" Subscript, "D" "e" "g" "r" "e" "e" "s" "S" "c" "a" "l" "e" , Baseline left parenthesis, "x" , right parenthesis , right parenthesis times 1000Extremumsx=sinx·10−SDegreesScalex·1000