maths extension

did i waste my time, I figured we would do discrete for extension 1 or advanced, but after checking around, its trig and calculus? BRUH

Hello everyone! I graduated from a top NSW selective school back in 2023, and I'm currently selling the essays that I used in the Trials and HSC to achieve results in both English Advanced and Extension 1. The essays/creatives/discursive that I'm offering below are the exact ones I used and...

Does anybody have good notes for 2U maths, need help with graphing & motion especially

Here's a quick summary of me: 99.75 ATAR 97 HSC Mark in Chemistry Dux of Business Studies at Sydney Boys High School (a top 10 selective school) - 1st in prelim exam, 1st in trials, 1st in year 12 internally and 1st in HSC (96 HSC Mark) 98 in Maths Advanced and Extension 1, 95 in Extension 2...

Anyone know how to solve this one (q20 11I Cambridge Extension 1 Year 11): A certain hill is represented by a hemisphere of a radius 1km. A man 180cm tall walks down the hill from the summit S at 6km/h. How long (correct to the nearest second) will it be before he is invisible to a person lying...

Stuck on these 4 questions, would be great if someone helped out :)

Qualifications Hi, I’m Prag and I’m a maths tutor based in the Hills area. I graduated from Baulkham Hills High School and am currently a second year medical student at the University of New South Wales. I took physics, chemistry, 4U maths and English for my HSC in 2017 with marks as below: Ext...