Find T_{5}(x) , the degree 5 Taylor polynomial of the function
f(x)= \cos(x) at a = 0 .

T_{5}(x) =

Find all values ofx for which this approximation is within 0.003076 of the right answer. Assume for simplicity that we limit ourselves to
|x| \leq 1 .

|x| \leq

Find all values of

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