In any `Delta ABC,((a+b+c)(b+c-a)(c+a-b)(a+b-c))/(4b^2c^2)`=

For any triangle ABC, ((a+b+c)(b+c-a)(c+a-b)(a+b-c))/(4b^2c^2) is equal to

In Delta ABC, prove that ((a+b+c)(b+c-a)(c+a-b)(a+b-c))/(Ab^(2)c^(2))=sin^(2)A

The expression ((a+b+c)(b+c-a)(c+a-b)(a+b-c))/(4b^2 c^2) for a triangle ABC is equal to

In a triangle ABC, if (a+b+c)(a+b-c)(b+c-a)(c+a-b)=(8a^2b^2c^2)/(a^2+b^2+c^2) then the triangle is

In a triangle ABC, if (a+b+c)(a+b-c)(b+c-a)(c+a-b)=(8a^2b^2c^2)/(a^2+b^2+c^2) then the triangle is

In any Delta ABC, prove that :a(b cos C-c cos B)=b^(2)-c^(2)

In a triangle ABC, if (a+b+c)(a-b)^(2)+(b-c)^(2)+(c-a)^(2))=2c^(2)(a+b+c)-6abc, then

In a triangle ABC, if (a+b+c)(a+b-c)(b+c-a)(c+a-b)=(8a^(2)b^(2)c^(2))/(a^(2)+b^(2)+c^(2)) then the triangle is

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

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