Question: Estimate the error if P 2 ( x ) = 1 - x 2 2 is used to estimate the value of c o s

Estimate the error if P2(x)=1-x22 is used to estimate the value of cosx at x=0.9.
|| Error ||(Simplify your answer. Round to seven decimal places as needed.)
Estimate the error if P 2 ( x ) = 1 - x 2 2 is

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