Find a solution of the first order IVP consisting of this differential equation and the given initial condition. x(pi/2) = 0 and x'(pi/2) = 1. In this problem x = c1cos(t) + c2sin(t) is a two parameter family of solutions of the second-order DE x'' + x = 0.

Find a solution of the first order IVP consisting of this differential equation and the given initial condition. x(pi/2) = 0 and x'(pi/2) = 1. In this problem x = c1cos(t) + c2sin(t) is a two parameter family of solutions of the second-order DE x'' + x = 0.

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Find a solution of the first order IVP consisting of this differential equation and the given initial condition. x(pi/2) = 0 and x'(pi/2) = 1. In this problem x = c1cos(t) + c2sin(t) is a two parameter family of solutions of the second-order DE x'' + x = 0.

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