question_answer

If \[\text{cosec}\phi -\sin \phi =a\] and \[\text{sec}\phi -\cos \phi =b,\] then find the value of\[{{({{a}^{2}}b)}^{2/3}}+{{(a{{b}^{2}})}^{2/3}}\].

A)  0                                            

B)  \[-\,1\]

C)  2                                

D)  1

E)  None of these