cosx-sinx+1/cosx+sinx-1 equal to cosecx-cotx Share with your friends Share 0 Chetna Khanna answered this 12 View Full Answer Apoorva answered this is it that we have to prove this????? -3 Vishnu Mohan answered this yes 3 Shankar Ram K. answered this PIECE OF CAKE -5 Apoorva answered this then it very easy ........... -2
