`" If in a "Delta ABC" ,angle "A" is greatest,also given "sin A+sin B+sin C<=1" then value of "B+C" is "`

If in a Delta ABC,/_C=90^(@), then the maximum value of sin A sin B is

In a triangle ABC, the value of sin A+sin B+sin C is

If in a Delta ABC,sin A,sin B,sin C are in AP then

If in a Delta ABC, sin ^(3) A + sin ^(3) B+ sin ^(3) C =3 sin A .Sin B. sin C, then find the valueof determinant |{:(a,b,c),(b,c,a),(c,a,b):}|.

In a Delta ABC, sin B : sin (A + B) =

If in a !ABC ,a sin A=b sin B, then the triangle, is

In any triangle ABC , prove that a sin A-b sin B -=c sin (A-B) .

In a Delta ABC,A is an obtuse angle.If sin A=(3)/(5),sin B=(5)/(13) then sin C=