Please visit the NSW floods: advice and resources page on NESA's website if you have been impacted by the floods.
Ian Whiteway gives an overview of the proofs topic in this Aurora College recording, including worked solutions for HSC-style questions and exam strategies.
A set of 29 YouTube videos presented by Eddie Woo on the nature of proof
A set of 96 YouTube videos presented by Eddie Woo on using complex numbers
Video answering question 15b of NESA's sample examination.
Alvin Mak gives an overview of vectors in this Aurora College recording, including worked solutions to HSC-style questions and exam strategies.