Find c, with cosine I think

Ask Singapore Homework?

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

secondary 3 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question

secondary 3 A Maths

Find c, with cosine I think

Date Posted: 6 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Hi, you have to use cosine rule to solve this problem given you know two sides and one angle of the triangle.

Date Posted: 6 years ago