question_answer

If \[\mathbf{cosec }\theta \mathbf{-cot }\theta \mathbf{=3}\] then find the positive value of\[\mathbf{cos}\text{ }\theta \].

A) \[\,\frac{4}{5}\]                                                

B)  1           

C)  0                                                        

D)  2

E) None of these