Which function is represented by the series ∑n=0∞(−1)nx2n+1(2n+1)!\sum_{n=0}^{\infty} \frac{(-1)^n x^{2n+1}}{(2n+1)!}∑n=0∞(2n+1)!(−1)nx2n+1?
sin(x)\sin(x)sin(x)
cos(x)\cos(x)cos(x)
exe^xex
ln(1+x)\ln(1+x)ln(1+x)