The value of $$\sqrt{\frac{\cot\theta+\cos\theta}{\cot\theta-\cos\theta}}, 0^{\circ} < \theta < 90^{\circ}$$, is equal to:

A

$$1-\sec \theta + \tan \theta$$

B

$$1-\sec \theta - \tan \theta$$

C

$$1+\sec \theta - \tan \theta$$

D

$$1+\sec \theta + \tan \theta$$