What is the formula of (i) cos–1 A + cos–1 B (ii) sin–1 A + sin– B Share with your friends Share 2 Rajat Sajeev answered this Answanswer for ur question is equation no3 and 1 5 View Full Answer Divyalok Jaiswal answered this Correct@ rajat . These formulae hava not told in your school or coaching institute ..?? 0
answer for ur question is equation no3 and 1