sec(x) has a trigonometric series that is given by _______

sec(x) has a trigonometric series that is given by _______ Correct Answer ∞∑n=0 ((-1)nE2n / (2n)!)*x2n

A trigonometric series is an example of a Maclaurin series. Here, sec(x) can be represented as ∞∑n=0 ((-1)nE2n / (2n)!)*x2n.

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