1.

In △ABC with usual notations, acosA+bcosB+ccosCa+b+c=12, then the value of sinA+sinB+sinCsinAsinBsinC is

Answer» In ABC with usual notations, acosA+bcosB+ccosCa+b+c=12, then the value of sinA+sinB+sinCsinAsinBsinC is


Discussion

No Comment Found