Guest

if A,B,C are angles of a triangle prove that cosA + cosB + cosC = 1+r/R

if A,B,C are angles of a triangle prove that cosA + cosB + cosC = 1+r/R

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
576-1524_IMG_20200208_185552.jpg

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free