Evaluate cos (sin^-1 3/5 + cos^-1 12/13) Share with your friends Share 2 Anuradha Sharma answered this Hi! Here is the answer to your question. So we get , cossin-135+cos-11213=cossin-15665Let sin-15665=xSo sinx = 5665=PerpendcularHypotenuseSo base =652-562=33So we get cossin-15665=cosx=3365 7 View Full Answer