In a `Delta ABC,(cosAcosB)/(a b)+(cosBcosC)/(b c)+(cosC cosA)/(c a)` is equal to

In Delta ABC If: 2(cosA)/a + (cos B)/(b) + 2(cosC)/(c) = a/(bc) + b/(ca) , then: /_A =

If in DeltaABC,(cosA)/(a)=(cosB)/(b)=(cosC)/(c) and side a=2, then the area of the triangle is

If the sides a, b, c of a triangle ABC are the roots of the equation x^(3)-13x^(2)+54x-72=0 , then the value of (cosA)/(a)+(cosB)/(b)+(cosC)/(c ) is equal to :

If the sides a, b, c of a triangle ABC are the roots of the equation x^(3)-13x^(2)+54x-72=0 , then the value of (cosA)/(a)+(cosB)/(b)+(cosC)/(c ) is equal to :

In Delta ABC prove that (b+c)/a = (cosB + cosC)/(1-cosA)

(a+b+c)(cosA+cosB+cosC)

If in a Delta A B C ,(cosA)/a=(cosB)/b=(cosC)/c , then find the measures of angles A ,\ B ,\ Cdot

In a triangle ABC, (acosA+bcosB+ccc cosC)/(a+b+c) is equal to

In a triangle ABC, (b+c)(bc)cosA+(a+c)(ac)cosB+(a+b)(ab)cosC is

If in a triangle ABC , 2(cosA)/a+(cosB)/b+2(cosC)/c=a/(bc)+b/(ca) , then the value of the angle A, is