Question: The value of cos x can be approximated by the infinite series (-1)*x2* cos x (2k)! Use the series to approximate the value of

The value of cos x can be approximated by the infinite series 

The value of cos x can be approximated by the infinite series (-1)*x2* cos x (2k)! Use the series to approximate the value of cos x for i = 0 to 3 and in each time find the approximate relative error. Attach File

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