question_answer

The value of \[\sqrt{\frac{1+\cos \theta }{1-\cos \theta }}\] is:

A)  \[\cot \theta -cosec\theta \]         

B)  \[\text{cosec}\theta +\cot \theta \]

C)  \[{{\operatorname{cosec}}^{2}}\theta +{{\cot }^{2}}\theta \] 

D)  \[{{(cot\theta +\operatorname{cosec}\theta )}^{2}}\]

E)  None of these