The 23-year-old made only his second start for Roberto Mancini's men since joining in the summer from Swansea City in the 1-0 Champions League defeat to Borussia Dortmund, a result which saw City knocked out of European football.
"There has always got to be patience," Sinclair told the club's official website.
"Playing in a great side, there has got to be patience for me, so I've got to take every training session as it comes and when I get my chance I've got to prove myself.
|16/1||Scott Sinclair is 16/1 with William Hill to score the last goal in the Manchester derby|
"It was great that I started the game and to get my experience in the Champions League but obviously I'm disappointed that we lost the game and all the players always go into the game to win.
"All the players have a winning mentality," the forward added. "Every game we play we want to win.
"Now we move on and hopefully make sure we do better in the Premier League."