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Here is a table of values for the function \(f(x) = \cos(x)\):
\(x\)
\(-\pi\)
\(-\frac{3\pi}{4}\)
\(-\frac{\pi}{2}\)
\(-\frac{\pi}{4}\)
\(0\)
\(\frac{\pi}{4}\)
\(\frac{\pi}{2}\)
\(\frac{3\pi}{4}\)
\(\cos(x)\)
\(-1\)
\(-0.71\)
\(0\)
0.71
1
0.71
0
\(-0.71\)
Plot the graph of the function on the interval \([-\pi\,;\,\pi]\):
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