Ask Singapore Homework?

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



Question

secondary 4 | A Maths
2 Answers Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Ashley Ong
Ashley Ong

secondary 4 chevron_right A Maths chevron_right Singapore

How do i prove this qns

Date Posted: 5 years ago
Views: 309

See 2 Answers

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
A good technique to approach these proving questions is to use identities where possible, especially the identity tan x = sin x / cos x. Dealing with the expressions in sin x and cos x keeps expressions simple to calculate. Techniques of factorisation are also important here.
Eric Nicholas K
Eric Nicholas K
5 years ago
I mean, the techniques are important in other questions.
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Isaac Solomon Wong
Isaac Solomon Wong's answer
49 answers (Tutor Details)
Replace A with X.