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secondary 4 | A Maths
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kathy2
Kathy2

secondary 4 chevron_right A Maths chevron_right Singapore

Thank you

Date Posted: 1 week ago
Views: 8
Eric Nicholas K
Eric Nicholas K
1 week ago
Wait
Eric Nicholas K
Eric Nicholas K
1 week ago
Remember to use the techniques of graph sketching which I have sent you several months ago.

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Eric Nicholas K
Eric Nicholas K's answer
3828 answers (Tutor Details)
1st
Looks like this.
syjiaxuan
Syjiaxuan
6 days ago
For (III) if u multiplied -1 to the LHS to make it -3sin2x, shouldn’t u multiply the RHS too? I think it should be
-3sin2x - 1.5 = -3x/pi
Eric Nicholas K
Eric Nicholas K
6 days ago
Well yes, I do make careless errors from time to time. Will update with a new diagram at a later time.
Eric Nicholas K
Eric Nicholas K
5 days ago
Kathy, I have updated the diagram.
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syjiaxuan
Syjiaxuan's answer
145 answers (A Helpful Person)
This is to show u how to uds eqn so that u can plot the graph later
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syjiaxuan
Syjiaxuan's answer
145 answers (A Helpful Person)
Hope this helps
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Eric Nicholas K
Eric Nicholas K's answer
3828 answers (Tutor Details)
Updated
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Eric Nicholas K
Eric Nicholas K's answer
3828 answers (Tutor Details)
The graph looks something like this when plotted on Desmos graphing calculator.