Lucas Ng's answer to Audris yeo's Secondary 4 A Maths question.

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Lucas Ng
Lucas Ng's answer
27 answers (A Helpful Person)
1st
The trick is the times (cos 0 + sin 0) to both numerator and denominator
Audris yeo
Audris Yeo
7 years ago
The tutor skiped steps and is unable to give explanation on the steps towards the solution