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...
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...
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
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