[" In "/_ABC" ,prow that "],[sin(A)/(2)*sin B]quad sin(C)/(2)<=(1)/(8)

In any /_\ABC ,prove that sin(B-C)/(sin(B+C))=(b^2-c^2)/(a^2)

In a triangle ABC, prove that :a sin((A)/(2)+B)=(b+c)sin((A)/(2))

In a Delta ABC, prove that a sin ((A)/(2) + B) = (b + c) sin ""(A)/(2)

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

In any triangle ABC, prove that: (a^(2)sin(B-C))/(sin B+sin C)+(b^(2)sin(C-A))/(sin C+sin A)+(c^(2)sin(A-B))/(sin A+sin B)=0

In any triangle ABC prove that sin2A+sin2B+sin2C=(abc)/(2R^3)

In any Delta ABC, prove that :(a^(2)sin(B-C))/(sin B+sin C)+(b^(2)sin(C-A))/(sin C+sin A)+(c^(2)sin(A-B))/(sin A+sin B)=0

In any triangle ABC, show that: 2a sin((B)/(2))sin((C)/(2))=(b+c-a)sin((A)/(2))

In any Delta ABC prove that :sin(A-B)(sin(A-B))/(sin(A+B))=(a^(2)-b^(2))/(c^(2))