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

Anyone can contribute an answer, even non-tutors.

Answer This Question
PeiShi Toh
PeiShi Toh

secondary 4 chevron_right A Maths

How to prove for part i

Date Posted: 7 years ago
Views: 396

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Christmas MT
Christmas Mt's answer
3275 answers (A Helpful Person)
1st
Hi there,

If you don't want to see the solution, one hint for solving this question is to decompose the left hand side into 1/cos(2tite) - sin(2tite)/cos(2tite).