Using the subplot(rows, cols, plot_num) command we can display multiple plots in the same figure window. This description is in the quick reference. Lets put the two cosine functions together to see their differences.
subplot(2,1,1);
plot(t, cos(t));
title(Cos(t));
subplot(2,1,2);
plot(t, cos(50*t));
title(Cos(50*t));
As you can see the multiplication of 50 in the cosine function has increased the period, reducing the frequency. Now we have a background in basic functions and plotting commands.
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