Question

Example 4 For the curve y = c cosh x/c show that y2 = c^2 +S^2, where s
is the length of the arc measured from its vertex to the point (x, y).
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Answer 1

Answer:

ρ = ((1 + y21)3/2)/y2 Here y = c cosh(x/c) Read more on Sarthaks.com - https://www.sarthaks.com/353444/for-the-curve-y-c-cos-h-x-c-show-that-y-2-c