" In any "/_ABC" acos "A+b cos B+ccos C=

Statement-1: In any !ABC , a cos A + b cos B + c cos C le s Statement-2 : In any !ABC,sinA/2sinB/2sinC/2le1/8

In any ABC prove that a cos A+b cos B+os C=(8^(2))/(abc)

In any triangle ABC, prove that a cos A+b cos B +c cos C =(8 triangle^(2))/(abc) .

For any triangle ABC,prove that a cos A+b cos B+c cos C=2a sin B sin C

In any triangle ABC, the valur of a (cos ^(2) B+ cos ^(2)C)+ cos A (b cos B+ c cos C) is-

In any triangle ABC, prove that: a cos A+b cos B+c cos C=2a sin B sin C

In any Delta ABC, prove that :a cos A+b cos B+c cos C=2a sin B sin C

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