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secondary 4 | A Maths
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putin
Putin

secondary 4 chevron_right A Maths chevron_right Singapore

Hi can sb help me check if the show that qns for 29a is correct? I’m not sure if I did it wrong, tqtq

Date Posted: 2 months ago
Views: 31
Mathaddict100
Mathaddict100
2 months ago
No doubt..You're right..
putin
Putin
2 months ago
Thanks for helping ! But can u help me w ii? I tried to do it but I got
(sintheta-b)/(a-costheta) idk how to change into tan coz the a and b r still there lolz.
Eric Nicholas K
Eric Nicholas K
2 months ago
The trick is

Express a and b in terms of sin x and cos x

I subsequently divided both the numerator and the denominator by cos x because sin x / cos x is tan x and of course cos x / cos x = 1.
putin
Putin
2 months ago
Oh I see :o I thjnk I got it. Tq for ur help.

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Eric Nicholas K
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