Question: solution first order PDEs with Ics and Bcs

Dear all

I need a help how can i solve for example the following PDEs with Initial condition and boundary condition given at x=-1, and x=1.

pde:=diff(u(t,x),t)=diff(u(t,x),x$2);

ics:=u(0,x)=sin(x);

Bcs:=diff(u(t,-1),x)=0;

Bcs:=diff(u(t,1),x)=0;

Many thanks

 

 

 

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