Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
secondary 4 | A Maths
One Answer Below
This question need another answer.
Thanks
Date Posted: 2 years ago
Views: 224
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Hello, this is how I did it. Since both sides of the equation has “2x”, you can sub 2x = y, and no need to use the cos2x or sin2x formulas. Hope this helps!
Date Posted:
2 years ago
Actually, secant is 1 divided by cosine…
360 Tutoring Program