If A,B,C are the angles of a triangle,show that, sin^2A cotA 1 sin^2B cotB 1 =0 sin^2C cotC 1 Share with your friends Share 11 Shankar answered this Apply R2-R1 & R3-R1 -1 View Full Answer Shankar answered this This is the answer 2 Xyz answered this show that by eleminating alpha beta from the equation a 4 Shalini answered this Where the cos come? -5
