Eric Nicholas K's answer to Tarah toh's Secondary 3 E Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Hi Tarah! Here are my workings for this question. This concept is better understood with A Maths knowledge of trigonometric quadrants. I presume your school has started out on trigonometry in A Maths.
Date Posted:
4 years ago