question_answer

On simplifying \[\frac{1}{\text{cosec}\theta +\text{cot}\theta }\] , two students got the following answers :  

I. \[\text{cosec}\theta -\text{cot}\theta \]

II. \[\frac{1}{\text{cosec}\theta +\text{cot}\theta }\]

  Of these answers

A) both I and II are correct

B) both are wrong

C) I is wrong, II is correct

D) I is correct, I is wrong