Eric Nicholas K's answer to Georgia Jansen's Secondary 4 A Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
This gets difficult to understand. Let me know if you need more explanation.
Date Posted:
4 years ago
The challenge in this question is the inequality sign, so drawing a sine sketch for sin x helps greatly in seeing the regions for the inequalities.
360 Tutoring Program