$$(cosec \theta - cot \theta)^{2}=0^{0}<\theta<90^{0}$$

A

$$\frac{1-sin \theta}{1+ cos \theta}$$

B

$$\frac{1-cos \theta}{1+ cos \theta}$$

C

$$\frac{1+cos \theta}{1- cos \theta}$$

D

$$\frac{1+cos \theta}{1- sin \theta}$$