I would usually say, it all depends where the break is, but in this case i would replace the trampoline, I can't imagine that with the jumping up and down wouldn't tear again and cause a serious injury.
Yes,you can use it.
The patch will help you and make the trampoline very good,but you should be very careful,trying to do not make any mistake.It will be difficult to repair.
We can use a patch to repair a trampoline. The trampoline can be easily repaired by using the trampoline. The method to repair the patch is as so is easy to do it.