The first knot shown here is a super simple and super strong knot for tying braid to hooks and swivels. Why use anything more complex?
If you learn this and the Improved Clinch Knot (for tying with monofilament line) you have all you need to tie a good rig and attach it to your main line.
You can learn others, but you don’t actually need to.
Two more complex, knots for tying braid are shown below. Learn one or more of them if you like…
The Knotless Knot has the advantage of including a loop for mounting bait off the hook (a hair rig). If you plan to use hair rigs then this one is well worth learning.