Math Chapter Wise Statics And Dynamics English MCQ UP PCS (Pre) 2006 Q.Equations forming the parametric equation of a common catenary are: Ax csec,y clog(sec tan) = ψ = ψ + ψ Bx ctan,y clog(sec tan) = ψ = ψ + ψ Cx clog(sec tan),y csec = ψ + ψ = ψ Dx clog(sec tan),y ctan = ψ + ψ = ψ Show answer Correct answer: x clog(sec tan),y csec = ψ + ψ = ψ