Question

intregration 19.1 all solution quatioo

Answer 1

Integral symbol I am keeping { for square I am keeping *2
{ cos 2x+2sin*2x/ sin *2/x dx
={cos 2x+2 sin*2x/sin*2 x dx
={1-2 sin*x+2sin*2x/ sin*2x dx

={1/ sin*2x dx
={cosec*2x dx
=- cotx+ c