Question: Let z=cos(t/2) sin(x) be a function that describes the motion of a vibrating string whose ends are fixed at x=0 and x= . Calculate ztt

Let z=cos(t/2) sin(x) be a function that describes the motion of a vibrating string whose ends are fixed at x=0 and x= . Calculate ztt at x=2 and t=1. Round to 3 decimal places

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