negative StartFraction, pi Over 2 , EndFraction−π2
StartFraction, StartRoot, 3 , EndRoot Over 2 , EndFraction32
2
Expression 3: "g" left parenthesis, "x" , right parenthesis equals sine left parenthesis, 2 "x" , right parenthesis minus "x" left brace, 0 less than "x" less than StartFraction, pi Over 2 , EndFraction , right bracegx=sin2x−x0<x<π2