So, do I just add an EQ then, and scoop out all frequencies and boost the lower ones?

Okay, I understand so far.

So.. how do I do the sine wave thing?

Hello,

Try not to be like someone else allow them to influence you...

Right to make a big bassline you need to understand how it all works and the simplest way to do this is to use EQ and your levels

SUB/Kick/Bass/Mis/Top

So your learning then keep it simple, as you build up your level of ...