Expression 3: "g" left parenthesis, "t" , right parenthesis equals "j" left parenthesis, "t" , right parenthesis left parenthesis, 13cos left parenthesis, "t" , right parenthesis minus 5cos left parenthesis, 2 "t" , right parenthesis minus 2cos left parenthesis, 3 "t" , right parenthesis minus cos left parenthesis, 4 "t" , right parenthesis , right parenthesisgt=jt13cost−5cos2t−2cos3t−cos4t
3
Expression 4: "j" left parenthesis, "x" , right parenthesis equals 0.0 5floor left parenthesis, StartFraction, mod left parenthesis, "x" , "a" times 2 pi , right parenthesis Over 2 pi , EndFraction , right parenthesisjx=0.05floormodx,a·2π2π