Hello everybody
Could any one help me to prove the series expansion in the photo below ?
Thanks in Advance and best regards
Thanks for replay
I am trying to solve the integration [ int( ln|1-sin(x)|) dx ] , and i have asked one of my friends and he solved this integration as in the photo attached here , he mention in this solving about this series expansion , i have test it numerically , it is true but how we can prove it ?
Thanks in advance