Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 4 | A Maths
2 Answers Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Jun
Jun

secondary 4 chevron_right A Maths chevron_right Singapore

Need help ASAP tmr test

Date Posted: 3 months ago
Views: 24
Herman
Herman
1 day ago
Actually 2nd part can just find using
- 1

See 2 Answers

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Herman
Herman's answer
5 answers (A Helpful Person)
1st
Part d I'm wondering if there is a calculus way of doing it.
Part a need to see the extra line and the extra angle
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Herman
Herman's answer
5 answers (A Helpful Person)
Part d using differentiation. Very tedious haha but this might be the actual way to do it since the method in my previous picture is very visual. My working is experimental so it might be messy sorry!
Herman
Herman
4 days ago
For 2nd derivative have to use product rule