Question

how to find the sum of the series by using maclaurian series​

Answer 1

Answer:

Answer:Knowing that x = 2 π x=2\pi x=2π, we can make the substitution on the left-hand side of the formula for the sum of the Maclaurin series of cosx. Since the right side of this equation is equal to the sum of the given series, we can say that the sum of the given series is 1.

originally answered

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