Expressão 2: "g" left parenthesis, "x" , right parenthesis equals 2 sine left parenthesis, 3 left parenthesis, "x" minus StartFraction, pi Over 2 , EndFraction , right parenthesis , right parenthesis positive 1 left brace, negative 2 pi less than "x" less than 2 pi , right bracegx=2sin3x−π2+1−2π<x<2π
2
Expressão 3: "g" left parenthesis, "x" , right parenthesis equals 3 sine left parenthesis, 3 left parenthesis, "x" minus StartFraction, pi Over 2 , EndFraction , right parenthesis , right parenthesis positive 1 left brace, negative 2 pi less than "x" less than 2 pi , right bracegx=3sin3x−π2+1−2π<x<2π