1.

ntIn any triangle ABC, prove the following: a(cosB.cosC+cosA) = b(cosC.cosA+cosB) = c(cosA.cosB+cosC)n

Answer» ntIn any triangle ABC, prove the following: a(cosB.cosC+cosA) = b(cosC.cosA+cosB) = c(cosA.cosB+cosC)n


Discussion

No Comment Found