Math Chapter Wise Statics And Dynamics English MCQ UPPSC GIC 2021 UPPSC Ashram Paddhati 2021 Q.Which relation is not true for a common catenary? Ay = c cos h x c Bx = c log (sec Ψ + tan Ψ) Cy = c sec Ψ Ds = c sin Ψ Show answer Correct answer: s = c sin Ψ