Expression 3: "X" left parenthesis, "i" , "t" , right parenthesis equals "s" left parenthesis, "i" , "t" , 0 , right parenthesis plus StartFraction, .2 4 Over 2 Superscript, "i" , Baseline , EndFraction sine left parenthesis, 2 pi times 3 Superscript, "i" , Baseline "t" , right parenthesisXi,t=si,t,0+.242isin2π·3it
3
Expression 4: "Y" left parenthesis, "i" , "t" , right parenthesis equals "s" left parenthesis, "i" , "t" , StartFraction, pi Over 2 , EndFraction , right parenthesis plus StartFraction, .2 Over 2 Superscript, "i" , Baseline , EndFraction left parenthesis, cos left parenthesis, 2 pi times 3 Superscript, "i" , Baseline "t" , right parenthesis plus .9 StartAbsoluteValue, sin 2 pi times 3 Superscript, "i" , Baseline "t" , EndAbsoluteValue minus .3 , right parenthesisYi,t=si,t,π2+.22icos2π·3it+.9sin2π·3it−.3
4
Expression 5: left parenthesis, "X" left parenthesis, left bracket, 0... "N" , right bracket , "t" , right parenthesis , "Y" left parenthesis, left bracket, 0... "N" , right bracket , "t" , right parenthesis , right parenthesis Has graph.X0...N,t,Y0...N,t
domain t Minimum: 00
less than or equal to "t" less than or equal to≤t≤