Trigonometry & Modelling 5 • Using the Double Angle Formulae • P2 Ex7C • 💡

Edexcel Pure Year 2

Tues 20/10/20

[jefking]

Hi sir, In your lessons, would your student finish all questions from the excercise like you said excercise 7c q4-19 at the end of the video. And would it be the same case for a further maths class where you try and complete everything as quickly as possible

[qamarhareth]

hello, I just wanna ask if u can simplify this (tanx)/(sec^2x-2) it is in the textbook ex 7c question 7h in the version u had but in the one I have is 4c because I didn't get the solution bank how they solved it

[ikunim_]

Hi sir, I was doing some questions from a worksheet and they were using an identity I haven’t seen before I believe they were using the half angle formula? Is that something we need to know for edexcel because I don’t see it in the textbook anywhere

[mrfreerunners]

sir how did you expand the bracket at 1:58