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junior college 1 | H2 Maths
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farhan sadik
Farhan Sadik

junior college 1 chevron_right H2 Maths chevron_right Singapore

How to do Q7iii?

Date Posted: 4 years ago
Views: 313

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Sketch a graph of 3cos(x).
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Ong Ming Yuan
Ong Ming Yuan's answer
61 answers (A Helpful Person)
1st
farhan sadik
Farhan Sadik
4 years ago
A detailed answer will be helpful
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Ong Ming Yuan
Ong Ming Yuan's answer
61 answers (A Helpful Person)
If you need clarification, just ask.

:)
farhan sadik
Farhan Sadik
4 years ago
So, do I just use the graph to answer or GC to find the answer?
Ong Ming Yuan
Ong Ming Yuan
4 years ago
They asked you to sketch.

Have you tried sketching it?

It will probably be easy to find the solutions because the won't make the question difficult.

You should just sketch.

Then if you want, use a graphing calculator to check.
Ong Ming Yuan
Ong Ming Yuan
4 years ago
I changed my mind.

I think if you are allowed to have the GC, you should use it and then sketch out what you see.
Ong Ming Yuan
Ong Ming Yuan
4 years ago
I think it is best to ask your teacher regarding what you should do in cases like that... .

I'm sorry I can't give you an answer regarding whether you should use a GC... .

farhan sadik
Farhan Sadik
4 years ago
Alright. Thank you.
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Ong Ming Yuan
Ong Ming Yuan's answer
61 answers (A Helpful Person)
Here is the graph using a GC.

I am lazy.

:)