Evaluate the function at the given value(s) of the independent variable. Simplify the results. (x) = cos
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Evaluate the function at the given value(s) of the independent variable. Simplify the results.
ƒ(x)
= cos 2x
(a) ƒ(0)
(b) ƒ( π/4)
(c) ƒ(π/3)
(d) ƒ(π)
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