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
Christine
Christine

secondary 4 chevron_right A Maths

Please help me with q6

Date Posted: 7 years ago
Views: 587

See 2 Answers

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Hai En
Hai En's answer
17 answers (A Helpful Person)
1st
Part a, prove to another identity since cos has 3 different ones
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Hai En
Hai En's answer
17 answers (A Helpful Person)
Part b