question_answer

The value of \[log\,\,\cos 0{}^\circ +\log \,\,\cos 1{}^\circ +\] \[\log \,\,\cos 2{}^\circ +\_\_\_\_\_\_+log\,cos90{}^\circ \] is equal to _________

A)  1                                                                    

B)  \[-\]1          

C)  0                                                                    

D)  Undefined

E)  None of these