If sec 4A= cosec (A+35?); 4A is an acute angle. Find the va?ue of A Share with your friends Share 0 Rani answered this sec4A=cosec (A+35) cosec (90-4A)=cosec(A+35) 90-4A=A+35 90-35=A+4A 55=5A A=11 1 View Full Answer