I'm working on the Brachistochrone probem and I've gotten to the equation:
(dy/dx)^2 = (c^2*y)/(1-c^2*y)
the 'hint' given is to use y = sin^2(theta)/c^2 to solve the integral. I haven't done any math for 5 months and i haven't been in a pure math class for over a year, so I'm drawing a...