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Hey guys, So in prelim today we had a question to show: sin^2 (5x) - sin^2 (3x) = sin(8x) . sin(2x) What I did was pretty much prove sum to product formula and then used it. But seeing as it's not in the syllabus, how would someone do this within the confines of the 3U syllabus? What...

Hi guys, anyone know where I can find hard perms and combs questions, preferably with solutions? or should I just scour through ruse papers again sigh

Thanks guys, I'll see how I go next term but I'm probably going to drop eco :)

Hey guys, so currently I'm doing Adv English 3u Maths (picking up 4u) Physics Chemistry Economics Computing 1u (dropping) I feel that conceptually, my weakest 2 subjects are eco and chem. For chem I'm ranking top 10 out of pure luck, and for eco I'm in top 30, but I've been procrastinating a...

Unfortunately yes. I ranked 68th for half yearly but then they made us create and justify a book cover for mod b and it screwed me over

122/159. Basically they gave a standard talk if you ranked worse than 110

teachers are pressuring me into standard eng because I now have a triple digit rank sigh

hurlstone, so about mid twenties apparently my school is known for their bad english program?

Nah it was all over the place, 14 for short answer, 7 for creative, 9 for essay But I didn't prepare my creative idea so

Guys I got 30/45 for my AOS half yearly (it was a pretty bad concept, "seize the day"). Do you guys think I should consider standard? Considering I'm about grade average right now

I don't think so... my first name is Johnny and the best I got from that (from my friend) was integrat-john haha

Guys I need help with picking a jersey name (idk why my grade wants them so early but oh well) It's a max 15 characters; I'd like a punny name (my surname's Bui) that doesn't seem too girly (because I'm a guy) The only things I have so far are "fabuilous" and "(not) dr bui" and "bob the BUIlder"

Can someone help me with parts d) and e)? The booklet that has this question says that d) is x= (2R^2 g) / (2Rg-u^2) and that e) is u=11200 m/s, but I have no idea on how to get to any of those answers

so many regrets with not starting my eco report early dammit