the maximum value assumed by the function f(x)=\sin(3\cos(x))\cos(3\sin(x)) on the interval [-4,4] is, approximately,: in matlab

main.m
% Define the function
f = @(x) sin(3*cos(x)) * cos(3*sin(x));

% Use fminbnd function to find the maximum value of the function on the interval [-4,4]
[x_max, f_max] = fminbnd(@(x) -f(x), -4, 4);

% Display the approximate maximum value of the function
f_max = -f_max; % convert back to positive since we used -f(x)
fprintf('The approximate maximum value of the function is: %.4f\n', f_max);
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