snell's answer to Christmas MT's Secondary 4 A Maths Singapore question.
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give 2 methods here.
hope this helps.
hope this helps.
Date Posted:
5 years ago
Hi, thank u for helping :D, but I js wondering where did y come frm frm the first method ?
I apologise, I didn’t see y = 4x. Thank you for helping.
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.
got the idea u might hv done a lot of trigo identities, such that u hv forgotten the use of calculator for this qn.
& thanks for ur upvote! :)
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