Tan Yan Pei's answer to Christine's Secondary 4 A Maths question.

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Tan Yan Pei
Tan Yan Pei's answer
41 answers (Tutor Details)
1st
When there are and related to tangent and normal,usually you'll need to use the fact that tangent X normal= -1. And for the second part,that type of qn need to use simultaneous equations.