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

In a triangle ABC , if cos A cos B + sin A sin B sin C = 1 , then a:b:c is equal to

In Delta ABC , angle B = 90^(@) find the values of : sin A cos C + cos A sin C

In Delta ABC , angle B = 90^(@) find the values of : cos A cos C -sin A sin C

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):}|.

If in a !ABC , sin A, sin B and sin C are in A.P, then

In a triangle ABC, sin A- cos B = Cos C , then angle B is

In any triangle ABC, if sin A , sin B, sin C are in AP, then the maximum value of tan ""B/2 is

In any Delta ABC, sum a sin (B -C) =

Show that Rr (sin A+sin B + sin C) =Delta

In a Delta ABC , a, b, c are sides and A, B, C are angles opposite to them, then the value of the determinant |(a^(2),b sin A,c sin A),(b sin A,1,cos A),(c sin A,cos A,1)| , is