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secondary 4 | A Maths
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Christmas MT
Christmas MT

secondary 4 chevron_right A Maths chevron_right Singapore

Hey can sb help w the first qns, i don’t get how to find since there’s many values for x. Tqtq

Date Posted: 5 years ago
Views: 244

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snell
Snell's answer
333 answers (A Helpful Person)
1st
give 2 methods here.

hope this helps.
Christmas MT
Christmas MT
5 years ago
Hi, thank u for helping :D, but I js wondering where did y come frm frm the first method ?
Christmas MT
Christmas MT
5 years ago
I apologise, I didn’t see y = 4x. Thank you for helping.
snell
Snell
5 years ago
no need to apologise


got the idea u might hv done a lot of trigo identities, such that u hv forgotten the use of calculator for this qn.
snell
Snell
5 years ago
& thanks for ur upvote! :)