How can I get a derivated function df/dt?
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I'm trying to calculate derivate functions like z(t)=cos(x(t))+y(t)^2 and I expect answers like z'(t)=-x'(t)*sin(x(t))+2*y(t)*y'(t).
I probably need to use MuPAD but I don't know the commands and what I've found on 'help' isn't exactrly what I want.
Thanks for your answers!