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secondary 4 | A Maths
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Hello

secondary 4 chevron_right A Maths

Pls help !

Date Posted: 7 years ago
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Sao Chuan
Sao Chuan's answer
23 answers (Tutor Details)
1st
Hi, there may be careless mistakes, but the general approach is to calculate the gradient of the tangent first (using dy/dx). The gradient of the normal = -1/(grad of tangent)