Expression 1: "y" equals StartFraction, 2arctan left parenthesis, cot left parenthesis, pi "x" plus 0 "y" , right parenthesis , right parenthesis plus 4 pi "x" minus pi Over 2 pi , EndFractiony=2arctancotπx+0y+4πx−π2π
1
Expression 2: "y" equals StartFraction, 2arctan left parenthesis, cot left parenthesis, pi "x" , right parenthesis , right parenthesis plus 4 pi "x" minus pi Over 2 pi , EndFractiony=2arctancotπx+4πx−π2π