Calculus

The Maclaurin series expansion of $f(x) = \cos(x)$ up to terms containing $x^4$ is:

Options:

• (A) $1 - \frac{x^2}{2!} + \frac{x^4}{4!}$
• (B) $x - \frac{x^3}{3!} + \frac{x^5}{5!}$
• (C) $1 + \frac{x^2}{2!} + \frac{x^4}{4!}$
• (D) $1 - x + \frac{x^2}{2}$