Google chromecast is by far the most convenient way to connect any android or apple device to. Another way to connect google pixel 3 and pixel 3 xl to tv is by using miracast bear in mind this only works for rooted pixel devices.

Google Pixel 3 3 Xl Hands On What The Leaks Didn T Tell You
Google pixel 3 miracast. Enable the option under settings display cast menu enable wireless display. Add miracast support with this one weird trick. Its a shame and hopefully google will add this functionality in future devices. Lack of display alt mode. The pixel and pixel xl dont support the popular miracast standard out of the box. Alright since owning this phone pixel 3 i have only been let down by a few things.
Ensure that the chromecast and google pixel are connected on the same wi fi network. Mirroring to a pc. Theres no need for. If your pc is running windows 10 mirroring your screen to it is rather simple. Open any app that supports chromecast and tap the cast button within the app to initiate screen mirror. The miracast looks like a typical usb drive and does not require an internet connect all you have to do is just plug into your tv.
Download and install chromecast appon google pixel. You will have the ability to now cast your screen to a miracast device. Use the wizard to completely set up google pixel with tv. Google pixel 3 how to mirror my screen to my tv or pc using google chromecast. Miracast looks like it has hope though and is just missing system libraries and would be able to be implemented with root.