Y11 Ext1: Further Trig: Proof

One-on-one tutoring available: http://www.vectoracademic.com.au Prove 2tanA/(1-tanAtanA)(cotA-tanA) = 2 (provided cotA≠tanA) 0:00 Introduction 0:22 Formulae reveal 0:40 Solution walkthrough Please let me know in the comments if there are any questions from the HSC Mathematics curriculum you'd like to see me do. Want help with a specific question? a) Post in the comments below with your question b) Book a private one-on-one online tutoring session at http://www.vectoracademic.com.au