Which of these functions are neither odd nor even?
A. $\displaystyle{f(x)=\frac{\cos(2x)}{x}}$
B. $f(t)=2+\tan(t)$
C. $f(x)=2\sin(x)\cos(x)$
D. $f(\alpha)=1+\sec(\alpha)$
E. $f(x)=\csc(x^2)$
F. $f(x)=\cos(x)+\sin(x)$