Ask Singapore Homework?

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


secondary 4 | E Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Lucas loke
Lucas Loke

secondary 4 chevron_right E Maths


Date Posted: 2 years ago
Views: 488
Angeline Ooi
Angeline Ooi
2 years ago
Hi lucas. Watsapp me at 96476455. I will show u the answer

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Rander Lim Boon Chun
Rander Lim Boon Chun's answer
26 answers (Tutor Details)
Use cosine rule. Not that its ok for the value to be negative since the angle is obtuse ( more than 90 but less than 180)