Eric Nicholas K's answer to Kathy's Secondary 4 A Maths Singapore question.
done
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Q7a to Q9
Will do the rest when I have more time.
Will do the rest when I have more time.
Date Posted:
5 years ago
Ok. You can see the qns right?
Yes, including the next page’s bottom right questions. Will do up the techniques of Trigo graph drawing if I can still remember and when I have time.
ok thank you so much
Can I know what is UP?
Why u use red and blue pan draw?
Why u use red and blue pan draw?
I will give you a preview of the notes. The vertical shift determines whether the graph is shifted up or down from The Central position.
Done! Sending up the two methods soon.
Kathy, take a look at the two different methods. I will now take a short break and once done, I will redo questions 2a to 2e (in the other post) using both methods for you to have familiarity. From there you will decide which method you prefer.
As for graphs of tangent functions, you can just read from the book - very few things to note for such graphs).
As for graphs of tangent functions, you can just read from the book - very few things to note for such graphs).
I draw in red and blue to show you the graphs.
The dotted graph is just a working graph without any vertical shift.
The blue graph is the actual graph as required in the question after shifting the red graph by the value c.
The dotted graph is just a working graph without any vertical shift.
The blue graph is the actual graph as required in the question after shifting the red graph by the value c.
Ok
Thanks
Thanks
I will do one random example next.
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