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(Solved): The first three terms of the Taylor polynomial for \[ \cos x=1-\frac{x^{2}}{2 !}+\frac{x^{4}}{4 !} ...
![The first three terms of the Taylor polynomial for
\[
\cos x=1-\frac{x^{2}}{2 !}+\frac{x^{4}}{4 !}
\]
, use it to approximate](https://media.cheggcdn.com/study/1ec/1ec9c7e3-3be0-4bce-a9bd-2a89587656f4/image)
The first three terms of the Taylor polynomial for \[ \cos x=1-\frac{x^{2}}{2 !}+\frac{x^{4}}{4 !} \] , use it to approximate the value of \[ \cos (3) \] , round your answer to three decimal places.