Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
secondary 3 | A Maths
2 Answers Below
Anyone can contribute an answer, even non-tutors.
helppp how to do questions with power 4 ah
Date Posted: 6 years ago
Views: 258
See 2 Answers
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Use difference of two squares
Date Posted:
6 years ago
What I underlined in blue should be cos²x + sin²x
thankss
360 Tutoring Program