Find the z- transform of $$\cos h(n\theta)$$

A

$$\frac{z(z - \cos h \theta)}{(z^2 - 2z \cosh\theta + 1)}$$

B

$$\frac{z(z - \cos h \theta)}{(z^2 - 2z \cosh\theta)}$$

C

$$\frac{(z - \cos h \theta)}{(z^2 - 2z \cosh\theta + 1)}$$

D

$$\frac{z(z - \cot h \theta)}{(z^2 - 2z \coth\theta + 1)}$$