Could i have fought my ticket in court?

Ok so today i was driving down the road back to my house. Not speeding or being reckless or anything, and also i drive a 2004 honda s2000 (if you don't know what that is i would look them up because they're sports cars and im sure that this had a play in the ticket.So im just driving and i don't always signal when i change lanes only when its actually busy on the roads but there really weren't any cars around me and the car in front of me was driving slowly so i went around him, about 15 seconds later a car slams on his breaks without signaling or anything and turns into a gas station and so instead of slamming on my breaks i just go around him, without signaling.About 10 seconds later i have a cop behind me and he turns his lights on and so i pull over. I ask him why i was pulled over and stated i know it wasn't for speeding and he says it was for not signaling when changing lanes, and so i explained to him that a car in front of me didn't signal and he says hes been watching me and i've changed lanes multiple time now without signaling (which is true but like i said the road is not busy) and so he doesn't seem to care. He goes back to his car looks at my record and sees that i have a few warnings and comes back with a ticket. I also have a puppy in my passenger seat and if i would have slammed on my breaks he would have went into my dashboard.So, i want to know if i could actually win this in court or if the judge if the judge will just side with the cop. Thank you!

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