I need to cancel Apple Tv plus trial

See instructions in How to cancel a subscription from Apple - Apple Support

or to cancel on the internet, see the following from How to cancel Apple TV+ - Apple Support

How to cancel Apple TV+

1. Go to tv.apple.com.
2. Choose the account icon  at the top of the page. (If you don't see the account icon, tap or click Sign in, then sign in with your Apple ID.)
3. Choose Settings.
4. Scroll to Subscriptions and choose Manage.
5. Choose Cancel Subscription.

If you still need help

If you couldn't cancel your subscription at tv.apple.com, cancel your subscription in Settings. Or contact Apple Support.