Joanne Lim's answer to Jau Hwee Yan's Secondary 3 A Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Joanne Lim
Joanne Lim's answer
15 answers (A Helpful Person)
Hope this helps with your trigo revision!
Joanne Lim
Joanne Lim
8 years ago
I am a secondary school math tutor. I am contactable at 84189393.