I recently had a problem with my apple id on my ipad. I called apple tech support and was guided through some steps by the technician.She assured me everything was ok but during the process I had to enter my apple id password 5 or 6 times whilst I was screen sharing with her.She said the internet signal kept dropping and she could not see what was going on.So I entered my password which was working correctly and the verification codes 5 or 6 times. My initial problem was to do with changing my apple id password and tech was very helpful. I am sure that I called the correct apple support and I got a follow up email from apple.Question is is this usual apple says very clearly not to share password with anyone.
Did you give your password to the tech, or type it into a browser?
If you typed it into a browser and the dots appeared, the tech cannot know what the password is.
It can't hurt to change your password again if you are concerned about anyone knowing it.