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clc;clear;
x=0:0.01:1;
syms a
for i=1:length(x)
    A=tan(x(i));
    B=2+x(i);
    y(i)=int(A*sin((B*(a+pi/6))),a,-pi/6,pi/4);
    y(i)=subs(y(i));
end
plot(x,y)


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