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secondary 4 | A Maths
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Kathy
Kathy

secondary 4 chevron_right A Maths chevron_right Singapore

thanks

Date Posted: 4 years ago
Views: 548
Eric Nicholas K
Eric Nicholas K
4 years ago
Seen. Will return at 1 am.
Kathy
Kathy
4 years ago
Did you keep the soultion ? Or u delete it?
Eric Nicholas K
Eric Nicholas K
4 years ago
Kathy, if I remember correctly, the questions should be stored on the website’s forums section. Past questions as well. The questions I usually do not keep them, so you will have to use a laptop to go to the main website and browse through past questions.
Eric Nicholas K
Eric Nicholas K
4 years ago
Will return past 1 am, with limited time left to do every question and tmr my schedule follows today’s schedule as well.
Kathy
Kathy
4 years ago
I will write right away when u post it from now
Eric Nicholas K
Eric Nicholas K
4 years ago
Safer is just to check the past posts though. I will return only after 1 am, same as yesterday.
Eric Nicholas K
Eric Nicholas K
4 years ago
You can send in the next question first
Kathy
Kathy
4 years ago
Thank you for helping me in this part

See 8 Answers

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
This is a typical screenshot from my phone, but phone does not allow for searches very quickly, so you must use a laptop.
Eric Nicholas K
Eric Nicholas K
4 years ago
You can also search from phone, but it takes very Long to find the question.
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Will do some of the rest after 1 am and the rest another day.
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Q1e to Q2f
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Q3h to Q3k
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Q3L to Q3s

I am currently stuck at Q4a. In identities, we cannot assume that both sides are definitely correct. We have to work our way from one form to the other form. If only I could assume that both sides are true, then it would have been easy tp prove Q4a.

Will look at Q4a again when I have more time.
Eric Nicholas K
Eric Nicholas K
4 years ago
At least this is hard to prove without knowing further formulae.
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Q4a to Q5, but Q4a is beyond your syllabus so I will just use a basic method which is easy for you to use in your syllabus.
Kathy
Kathy
4 years ago
Can show me the sum to product how do?
Thanks
Eric Nicholas K
Eric Nicholas K
4 years ago
Seems like it should be doable by sum to product, but

1. I am sure yet if it is actually doable

And

2. The formula itself is not in your textbook

I will attempt it later.
Kathy
Kathy
4 years ago
Ok. Thank you
Kathy
Kathy
4 years ago
I will start posting tomorrow
Kathy
Kathy
4 years ago
Remember to help me on the formula
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Q3a to Q3g

Will continue another time.
Kathy
Kathy
4 years ago
Ok. Thank you
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
As promised.
Kathy
Kathy
4 years ago
Thanks,
I will be doing e math today
Kathy
Kathy
4 years ago
Not every qns can use sum product formulas?
Just asking
Eric Nicholas K
Eric Nicholas K
4 years ago
That sum to product formula is not for use in the o levels. As in, the exam questions should not ask questions which can only be solved by sum to product formulas.
Kathy
Kathy
4 years ago
Oh.
Just asking
Eric Nicholas K
Eric Nicholas K
4 years ago
I am online now, starting with a quick question from other people in the forum.
Kathy
Kathy
4 years ago
Ok.
I will post e math
Kathy
Kathy
4 years ago
I got a 3 qns of a math ask u only