question_answer

The value of \[[\operatorname{cosec}\,\,(75{}^\circ +q)-sec\,\,(15{}^\circ -q)-\]\[tan\,\,(55{}^\circ +q)+cot\,\,(35{}^\circ -q)]\] is equal to:

A)  \[-\,1\]                         

B)  0

C)  1                                

D)  \[\frac{3}{2}\]

E)  None of these