In a triange ABC, if `sin(A/2) sin (B/2) sin(C/2) = 1/8` prove that the triangle is equilateral.

Prove that in a triangle ABC , sinA/2 * sin B/2 *sin C/2 le 1/8 Also prove that equality holds if the triangle is equilateral.

In a triangle ABC, prove b sin B-c sin C=a sin(B-C)

In triangle ABC , prove that sin(A/2)+sin(B/2)+sin(C/2)le(3)/(2) .

Delta ABC,abc sin((A)/(2))sin((B)/(2))sin((C)/(2))=

In triangle ABC, if sin^(2)A+sin^(2)B=sin^(2)C then the triangle is

In a triangle ABC, if sin A sin B= (ab)/(c^(2)) , then the triangle is :

In triangle ABC if 2sin^(2)C=2+cos2A+cos2B , then prove that triangle is right angled.

Ina triangle ABC (sin A) / (2) (sin B) / (2) (sin C) / (2) <= (1) / (8)

In a triangle ABC, if sin A sin(B-C)=sinC sin(A-B) , then prove that cos 2A,cos2B and cos 2C are in AP.