Eric Nicholas K's answer to Kathy's Secondary 4 A Maths Singapore question.

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Here.

The graph of y = tan x is just drawn simply like that.

I believe you know what the modulus sign does to the graphs.
Kathy
Kathy
5 years ago
This graph also use same method?
Eric Nicholas K
Eric Nicholas K
5 years ago
All the same, but sin x is way too basic already.
Kathy
Kathy
5 years ago
Can I how u see how many roots? For qns 2