CAPE Pure Mathematics Unit 2 · May/June 2018 · Paper 1 · Question Q24

The coefficient of x^4 in the Taylor series expansion of f(x) = \cos x about x = 0 is

1. (A)\frac{1}{2}
2. (B)\frac{1}{4}
3. (C)\frac{1}{12}
4. (D)\frac{1}{24}