Question

urgent plsssss....
also pls attempt only if you know how to solve.

Answer 1

convert in sin cos
question becomes
sin-cos/sin+cos
let sinx+cosx=t
dx(cosx-sinx) =dt

question becomes
integration of (-dt) /t
=-ln t
= - ln(sinx+cosx)
=ln(1/sinx+cosx)

Answer 2

First solve my questions then I will solve yours