2. (a) Find the fourth-order Taylor polynomial Pa(x), and the remainder term of the function f (x) = cos [T (x + 1)] about xo -1. (b) Find the value of x that can be used in P4(x) in part (i) to approximate the value of cos (). (c) Use part (i) and (ii) to find an approximate value of cos find the absolute error if the true value is 3. Hence, NOTE: Take ™

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