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.
Pls help
Date Posted: 4 years ago
Views: 423
See 2 Answers
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
BC^2
Date Posted:
4 years ago
Hi, can you explain your workings for (ii)? I don’t understand the first step
It’s under the formula for triangle (can be found in your amath formula sheet)
a^2 = b^2 + c^2 - 2bc(cos A)
Tks!
360 Tutoring Program