## Question

###### Find the Taylor polynomial $T_{n}(x)$ for the function $f$ at the number a. Graph $f$ and $T_{3}$ on the same screen. $$f(x)=\cos x, \quad a=\pi / 2$$

Find the Taylor polynomial $T_{n}(x)$ for the function $f$ at the number a. Graph $f$ and $T_{3}$ on the same screen. $$f(x)=\cos x, \quad a=\pi / 2$$

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