Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
secondary 4 | A Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
Why can't I do it using quotient rule?
The answer is in pencil
Date Posted: 6 years ago
Views: 353
You can't do that because sin3x is not equal to sin0.5x. Why don't you differentiate each term individually. It's much easier
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Your third step of factorization is not correct. You should have factorized it into a sin^2 + cos^2 =1 form.
Date Posted:
6 years ago
Ohh, thank you! :)
360 Tutoring Program