Question

The Lagrange's remainder after n
terms in the Maclaurin's expansion
of Cos(x) is​

Answer 1

Step-by-step explanation:

The textbook "An introduction to numerical methods and analysis" by James F. Epperson, 2nd edition, page 3:

cos(x)=1−12!x2+14!x4+...+(−1)n(2n)!x2n+(−1)n+1(2n+2)!x2n+2cos(ξx)

So the answer is yes, because the first term for reminder is zero then you can go for the next n.

Answer 2

Answer:

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